Remove all plugins / install base theme

wp/wp-content/plugins/gravityforms/includes/transients/class-gf-wp-transient-strategy.php

@@ -1,36 +0,0 @@
-<?php
-
-namespace Gravity_Forms\Gravity_Forms\Transients;
-
-class GF_WP_Transient_Strategy implements GF_Transient_Strategy {
-
-	/**
-	 * @param $key
-	 *
-	 * @return mixed
-	 */
-	public function get( $key ) {
-		return get_transient( $key );
-	}
-
-	/**
-	 * @param $key
-	 * @param $value
-	 * @param $timeout
-	 *
-	 * @return bool
-	 */
-	public function set( $key, $value, $timeout ) {
-		return set_transient( $key, $value, $timeout );
-	}
-
-	/**
-	 * @param $key
-	 *
-	 * @return bool
-	 */
-	public function delete( $key ) {
-		return delete_transient( $key );
-	}
-
-}

wp/wp-content/plugins/gravityforms/includes/transients/interface-gf-transient-strategy.php

@@ -1,13 +0,0 @@
-<?php
-
-namespace Gravity_Forms\Gravity_Forms\Transients;
-
-interface GF_Transient_Strategy {
-
-	public function get( $key );
-
-	public function set( $key, $value, $timeout );
-
-	public function delete( $key );
-
-}