chore: Update release-please config files (#14745)

Update release-please config files

Author: yoshi-code-bot

.release-please-manifest.json

@@ -1,7 +1,6 @@
 {
     "packages/google-cloud-bigquery-storage": "2.33.1",
     "packages/google-cloud-dialogflow-cx": "2.0.0",
-    "packages/google-cloud-gke-hub": "1.19.0",
     "packages/google-cloud-org-policy": "1.14.0",
     "packages/grpc-google-iam-v1": "0.14.3"
 }

release-please-config.json

@@ -64,29 +64,6 @@
             ],
             "release-type": "python"
         },
-        "packages/google-cloud-gke-hub": {
-            "bump-minor-pre-major": true,
-            "bump-patch-for-minor-pre-major": true,
-            "component": "google-cloud-gke-hub",
-            "extra-files": [
-                "google/cloud/gkehub/gapic_version.py",
-                "google/cloud/gkehub_v1/configmanagement_v1/gapic_version.py",
-                "google/cloud/gkehub_v1/gapic_version.py",
-                "google/cloud/gkehub_v1/multiclusteringress_v1/gapic_version.py",
-                "google/cloud/gkehub_v1beta1/gapic_version.py",
-                {
-                    "jsonpath": "$.clientLibrary.version",
-                    "path": "samples/generated_samples/snippet_metadata_google.cloud.gkehub.v1.json",
-                    "type": "json"
-                },
-                {
-                    "jsonpath": "$.clientLibrary.version",
-                    "path": "samples/generated_samples/snippet_metadata_google.cloud.gkehub.v1beta1.json",
-                    "type": "json"
-                }
-            ],
-            "release-type": "python"
-        },
         "packages/google-cloud-org-policy": {
             "bump-minor-pre-major": true,
             "bump-patch-for-minor-pre-major": true,