chore: remove abandoned package google/cloud-resource-settings (#8194)

Author: bshaffer

.repo-metadata-full.json

@@ -1166,14 +1166,6 @@
         "library_type": "GAPIC_AUTO",
         "api_shortname": "cloudresourcemanager"
     },
-    "ResourceSettings": {
-        "language": "php",
-        "distribution_name": "google/cloud-resource-settings",
-        "release_level": "stable",
-        "client_documentation": "https://cloud.google.com/php/docs/reference/cloud-resource-settings/latest",
-        "library_type": "GAPIC_AUTO",
-        "api_shortname": "resourcesettings"
-    },
     "Retail": {
         "language": "php",
         "distribution_name": "google/cloud-retail",