policy: Remove redundant GRPC rule match on default egress GRPCRoute #5384

Job	Run time
meta	11s
build-cli	2m 44s
build-core (controller)	2m 15s
build-ext (jaeger-webhook)	2m 6s
info	1s
build-core (policy-controller)	5m 57s
build-ext (metrics-api)	2m 11s
build-core (proxy)	2m 3s
build-ext (tap)	2m 11s
build-ext (web)	4m 5s
build-ok	1s
test-core (cni-calico-deep)	3m 48s
test-multicluster (v1.22)	7m 46s
test-core (deep)	3m 27s
test-ext (cluster-domain)	3m 24s
test-multicluster (v1.29)	7m 27s
test-core (deep-native-sidecar)	3m 34s
test-ext (default-policy-deny)	3m 50s
test-policy (v1.22)	14m 55s
test-ext (external)	4m 50s
test-policy (v1.29)	10m 54s
test-ext (rsa-ca)	3m 34s
test-ext (helm-upgrade)	5m 40s
test-ext (uninstall)	4m 5s
test-ext (upgrade-edge)	4m 37s
test-viz	5m 51s
integrations-ok	1s
integrations-retry	0s
	1h 51m 28s

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