fix: removed undeclared variable from search index endpoint (#36)

Reviewed-on: https://codeberg.org/vlw/vlw.se/pulls/36

endpoints/search/POST.php

@@ -61,13 +61,7 @@
 		}
 
 		public function main(): Response {
-			// Truncate existing cache
-			(new Call(Endpoints::SEARCH->value))->delete();
-
 			$this->index_work();
-
-			return $result->num_rows > 0
-				? new Response($result->fetch_all(MYSQLI_ASSOC))
-				: new Response([], 404);
+			return new Response();
 		}
 	}