skip running tests on every push to master, they take too long

.gitlab-ci.yml

@@ -246,6 +246,5 @@ test-gitlab-spack-instance:
       - spack_tests
     when: always
   rules:
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_PROJECT_NAMESPACE =~ /technical-coordination/
     - if: $CI_PIPELINE_SOURCE == "schedule" && $TEST_DEPLOYMENT == "true"