Fix nasa#34, Updates CLA information for Apache 2.0

Deletes old LC CLAs, Edits link language in contributing.md,
Adds link to new CLAs in pull_request_template.md

.github/pull_request_template.md

@@ -1,7 +1,7 @@
 **Checklist (Please check before submitting)**
 
 * [ ] I reviewed the [Contributing Guide](https://github.com/nasa/LC/blob/main/CONTRIBUTING.md).
-* [ ] I signed and emailed the appropriate Contributor License agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.
+* [ ] I signed and emailed the appropriate [Contributor License Agreement](https://github.com/nasa/cFS/blob/main/CONTRIBUTING.md#contributor-license-agreement-cla) to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.
 
 **Describe the contribution**
 A clear and concise description of what the contribution is.

CONTRIBUTING.md

@@ -1,9 +1,7 @@
 # Contributing Guide
 
+Please see our [top-level contributing guide](https://github.com/nasa/cFS/blob/main/CONTRIBUTING.md) for more information on how to contribute to cFS components.
+
 ## Contributor License Agreement (CLA)
-The CLA forms are currently unique to this app.
-Sign and email the appropriate Contributor License agreement below to GSFC-SoftwareRelease@mail.nasa.gov and copy cfs-program@lists.nasa.gov
-* Corporate Contributor License agreement : https://github.com/nasa/LC/blob/main/docs/Corp_CLA_LC_220.pdf
-* Individual Contributor License agreement : https://github.com/nasa/LC/blob/main/docs/Indv_CLA_LC_220.pdf
 
-Please see our [top-level contributing guide](https://github.com/nasa/cFS/blob/main/CONTRIBUTING.md) for more information on how to contribute. 
+Before we can accept your code contributions we need a signed Contributor License Agreement (CLA). See the [instructions](https://github.com/nasa/cFS/blob/main/CONTRIBUTING.md#contributor-license-agreement-cla) for more information.