Update repository base code to be cleaner and make use of PHP 7 features

app/Contracts/Repository/SubuserRepositoryInterface.php

@@ -34,25 +34,4 @@ interface SubuserRepositoryInterface extends RepositoryInterface
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      */
     public function getWithPermissionsUsingUserAndServer(int $user, int $server): Subuser;
-
-    /**
-     * Find a subuser and return with server and permissions relationships.
-     *
-     * @param int $id
-     * @return \Illuminate\Database\Eloquent\Collection
-     *
-     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
-     */
-    public function getWithServerAndPermissions($id);
-
-    /**
-     * Return a subuser and their associated connection key for a server.
-     *
-     * @param int $user
-     * @param int $server
-     * @return \Pterodactyl\Models\Subuser
-     *
-     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
-     */
-    public function getWithKey($user, $server);
 }