fix build error

Author: ChaoqunCHEN

packages-exp/installations-exp/src/functions/config.ts

@@ -45,7 +45,7 @@ const factory: InstanceFactory<'installations-exp'> = (
     app,
     getId: () => getId(installations),
     getToken: (forceRefresh?: boolean) => getToken(installations, forceRefresh),
-    delete: () => deleteInstallations(installations),
+    _delete: () => deleteInstallations(installations),
     onIdChange: (callback: (fid: string) => void) =>
       onIdChange(installations, callback)
   };

packages-exp/installations-exp/src/interfaces/installation-internal.ts

@@ -40,7 +40,7 @@ export interface FirebaseInstallationsInternal extends _FirebaseService {
   /**
    * Deletes the Firebase Installation and all associated data.
    */
-  delete(): Promise<void>;
+  _delete(): Promise<void>;
 
   /**
    * Sets a new callback that will get called when Installlation ID changes.