[OPENCV] Fix double del when setting dnn option to False

[Corallo]

If opnecv is built with both dnn and with_cuda False, the build fails, because the conanfile.py execute del self.options.dnn_cuda twice.
This fixes the issue.

Specify library name and version: opencv/4.5.5

---

• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[CLAassistant]

All committers have signed the CLA.

[ghost]

I detected other pull requests that are modifying opencv/4.x recipe:

• opencv: fix dnn_cuda being removed twice causing failure #18916
• opencv/4.x: fix disabling dnn #18489
• opencv 4.x: some contrib modules require eigen library #16785
• [OpenCV 4.x] Add OpenGL as a option #16680
• opencv 4.x fix double del dnn_cuda option #16587
• opencv: bump version 4.6.0 & 4.7.0 #16524
• opencv 4.x: refactor to allow fine-grained selection of each module/contrib #15193

This message is automatically generated by https://github.com/ericLemanissier/conan-center-conflicting-prs so don't hesitate to report issues/improvements there.

[AbrilRBS]

Thanks a lot for your contribution. Please remember to request access here for the PR to be mergeable :)

[github-actions]

Hooks produced the following warnings for commit a3dd650

opencv/4.5.5

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455d.dll' links to system library 'mf' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455d.dll' links to system library 'd3d11' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_gapi455d.dll' links to system library 'wsock32' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455d.dll' links to system library 'mfreadwrite' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455d.dll' links to system library 'dxgi' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455.dll' links to system library 'mf' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455.dll' links to system library 'd3d11' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455.dll' links to system library 'dxgi' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio455.dll' links to system library 'mfreadwrite' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_gapi455.dll' links to system library 'wsock32' but it is not in cpp_info.system_libs.

opencv/4.5.3

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453d.dll' links to system library 'mf' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453d.dll' links to system library 'mfreadwrite' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453d.dll' links to system library 'd3d11' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453d.dll' links to system library 'dxgi' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_gapi453d.dll' links to system library 'wsock32' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453.dll' links to system library 'dxgi' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_gapi453.dll' links to system library 'wsock32' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453.dll' links to system library 'd3d11' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453.dll' links to system library 'mf' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio453.dll' links to system library 'mfreadwrite' but it is not in cpp_info.system_libs.

opencv/4.1.2

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio412d.dll' links to system library 'mf' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio412d.dll' links to system library 'd3d11' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio412d.dll' links to system library 'mfreadwrite' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio412.dll' links to system library 'mf' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio412.dll' links to system library 'd3d11' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\opencv_videoio412.dll' links to system library 'mfreadwrite' but it is not in cpp_info.system_libs.

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[conan-center-bot]

Conan v1 pipeline ❌

Sorry, the system is under maintenance and it doesn't accept builds right now.
Please, check https://status.conan.io to obtain more information.
Thanks for your understanding and help with the Conan Center Index!

---

Conan v2 pipeline ❌

Note: Conan v2 builds may be required once they are on the v2 ready list

The v2 pipeline failed. Please, review the errors and note this will be required for pull requests to be merged in the near future.

See details:

Sorry, the system is under maintenance and it doesn't accept builds right now.
Please, check https://status.conan.io to obtain more information.
Thanks for your understanding and help with the Conan Center Index!

[prince-chrismc]

I am going to close this as solved as https://github.com/conan-io/conan-center-index/blame/master/recipes/opencv/4.x/conanfile.py#L995 has correct the issue