Update Role.php to automatically revoke invalid permissions

Closes #3464893

core/modules/user/src/Entity/Role.php

@@ -206,7 +206,10 @@ public function calculateDependencies() {
     $valid_permissions = array_intersect($this->permissions, array_keys($permission_definitions));
     $invalid_permissions = array_diff($this->permissions, $valid_permissions);
     if (!empty($invalid_permissions)) {
-      throw new \RuntimeException('Adding non-existent permissions to a role is not allowed. The incorrect permissions are "' . implode('", "', $invalid_permissions) . '".');
+      foreach ($invalid_permissions as $invalid_permission) {
+        $this->revokePermission($invalid_permission);
+      }
+      \Drupal::logger('role')->error('Automatically revoked the following invalid permissions: "' . implode('", "', $invalid_permissions) . '".');
     }
     foreach ($valid_permissions as $permission) {
       // Depend on the module that is providing this permissions.