refactor(ng-dev): remove rules_* repositories from ManagedRepositories

These are now considered as snapshot builds repos

Author: alan-agius4

.github/local-actions/branch-manager/main.js

@@ -25,9 +25,6 @@ export class Label<T extends LabelParams = LabelParams> {
     ManagedRepositories.ANGULAR_CLI,
     ManagedRepositories.COMPONENTS,
     ManagedRepositories.DEV_INFRA,
-    ManagedRepositories.RULES_ANGULAR,
-    ManagedRepositories.RULES_BROWSERS,
-    ManagedRepositories.RULES_SASS,
   ];
   /* The label string. */
   name = this.params.name;
@@ -44,7 +41,4 @@ export enum ManagedRepositories {
   ANGULAR = 'angular',
   ANGULAR_CLI = 'angular-cli',
   DEV_INFRA = 'dev-infra',
-  RULES_ANGULAR = 'rules_angular',
-  RULES_BROWSERS = 'rules_browsers',
-  RULES_SASS = 'rules_sass',
 }