redhat: gating.yaml: drop unstable test

JIRA: INTERNAL
Upstream Status: RHEL only

We inherited this one from ARK, but it's failing more than 50%
of time. Disable it for now.

Signed-off-by: Jan Stancek <jstancek@redhat.com>

Author: jstancek

redhat/scripts/gating/gating.yaml

@@ -11,4 +11,3 @@ rules:
   - !PassingTestCaseRule {test_case_name: s1-aws-ci_aarch64.brew-build.tier1.functional}
   - !PassingTestCaseRule {test_case_name: s1-azure-ci_x86_64.brew-build.tier1.functional}
   - !PassingTestCaseRule {test_case_name: s1-azure-ci_aarch64.brew-build.tier1.functional}
-  - !PassingTestCaseRule {test_case_name: s1-gcp-ci.brew-build.tier1.functional}