restAPI.invalidateGroupsCache: Remove unused parameters

Change-Id: I0e11e6d44b1c2635d9feeb4ef0c09c9837f1320d
diff --git a/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list.js b/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list.js
index 4073798..1f5457a 100644
--- a/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list.js
+++ b/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list.js
@@ -129,8 +129,7 @@
     },
 
     _refreshGroupsList() {
-      this.$.restAPI.invalidateGroupsCache(this._filter,
-          this._groupsPerPage, this._offset);
+      this.$.restAPI.invalidateGroupsCache();
       return this._getGroups(this._filter, this._groupsPerPage,
           this._offset);
     },
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
index 0575ced..5d4a3b0 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
@@ -1043,7 +1043,7 @@
 
       element._cache.set(url, {});
 
-      element.invalidateGroupsCache('test', 25);
+      element.invalidateGroupsCache();
 
       assert.isUndefined(element._sharedFetchPromises[url]);