Temporarily disable automatic tier1 gating

QE is not ready to do automatic gating testing of TDX functionality
at this time, and once ready, will require a difference test suite
name to be used.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

gating.yaml

@@ -2,5 +2,4 @@
 product_versions:
   - rhel-10
 decision_context: osci_compose_gate
-rules:
-  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier1.functional}
+rules: []