Packit: remove rhel (epel) jobs

RHEL targets are often out of date with respect to golang and other
important dependencies leading to frequent failures. CentOS Stream moves
faster and helps to ensure whatever eventually enters RHEL has been
tested upstream at some point.

Signed-off-by: Lokesh Mandvekar <lsm5@fedoraproject.org>

.packit.yaml

@@ -16,8 +16,6 @@ packages:
   skopeo-centos:
     pkg_tool: centpkg
     specfile_path: rpm/skopeo.spec
-  skopeo-rhel:
-    specfile_path: rpm/skopeo.spec
   skopeo-eln:
     specfile_path: rpm/skopeo.spec
 
@@ -60,16 +58,6 @@ jobs:
       - centos-stream-10-aarch64
     enable_net: true
 
-  # Disabled until there is go 1.22 in epel-9
-  # - job: copr_build
-  #   trigger: pull_request
-  #   packages: [skopeo-rhel]
-  #   notifications: *copr_build_failure_notification
-  #   targets:
-  #     - epel-9-x86_64
-  #     - epel-9-aarch64
-  #   enable_net: true
-
   # Run on commit to main branch
   - job: copr_build
     trigger: commit