Remove all plugins / install base theme

wp/wp-content/plugins/gravityforms/includes/query/json-handlers/class-gf-string-json-handler.php

@@ -1,24 +0,0 @@
-<?php
-
-namespace Gravity_Forms\Gravity_Forms\Query\JSON_Handlers;
-
-/**
- * GF_JSON_Handler implementation which uses a MySQL "LIKE" query. Not as performant as JSON_CONTAINS, but
- * available on older (pre-5.7) versions of MySQL.
- *
- * @since 2.7
- */
-class GF_String_JSON_Handler extends GF_JSON_Handler {
-
-	public function query( $slug ) {
-		global $wpdb;
-
-		$setting_name   = $this->get_setting_name();
-		$like_statement = sprintf( '%%"%s":"%s"%%', $setting_name, $slug );
-		$query          = "SELECT form_id FROM {$wpdb->prefix}gf_form_meta AS meta LEFT JOIN {$wpdb->prefix}gf_form AS form ON form.id = meta.form_id WHERE is_trash = 0 AND is_active = 1 AND display_meta LIKE %s";
-		$prepared_query = $wpdb->prepare( $query, $like_statement );
-
-		return $wpdb->get_var( $prepared_query );
-	}
-
-}