Make azl3 test not run on changed files

Author: willie-yao

config/jobs/kubernetes-sigs/cluster-api-provider-azure/cluster-api-provider-azure-presubmits-main.yaml

@@ -321,7 +321,6 @@ presubmits:
     path_alias: "sigs.k8s.io/cluster-api-provider-azure"
     always_run: false
     optional: true
-    run_if_changed: 'test\/e2e\/conformance_test.go|templates\/test|^scripts\/|conformance.mk'
     decorate: true
     decoration_config:
       timeout: 4h