[v11.2.x] CI: Remove redundant FE and BE tests from release pipeline (#94357)

CI: Remove redundant FE and BE tests from release pipeline (#94173)

baldm0mma/remove_tests/ remove fe and be tests

(cherry picked from commit 0e8fa1f5f8)

scripts/drone/rgm.star

@@ -226,7 +226,6 @@ def rgm_tag():
         name = "rgm-tag-prerelease",
         trigger = tag_trigger,
         steps = rgm_run("rgm-build", "drone_build_tag_grafana.sh"),
-        depends_on = ["release-test-backend", "release-test-frontend"],
     )
 
 def rgm_tag_windows():
@@ -247,7 +246,6 @@ def rgm_version_branch():
         name = "rgm-version-branch-prerelease",
         trigger = version_branch_trigger,
         steps = rgm_run("rgm-build", "drone_build_tag_grafana.sh"),
-        depends_on = ["release-test-backend", "release-test-frontend"],
     )
 
 def rgm_nightly_build():
@@ -303,8 +301,6 @@ def rgm_nightly_pipeline():
 def rgm_tag_pipeline():
     return [
         whats_new_checker_pipeline(tag_trigger),
-        test_frontend(tag_trigger, "release"),
-        test_backend(tag_trigger, "release"),
         rgm_tag(),
         rgm_tag_windows(),
         verify_release_pipeline(