Apply suggestions from code review

Co-authored-by: Alain Schlesser <[email protected]>

Author: swissspidy

src/Plugin_Command.php

@@ -1276,7 +1276,7 @@ public function uninstall( $args, $assoc_args = array() ) {
 						/**
 						 * @var callable $callback
 						 */
-						$callback = array( $wp_filesystem, 'delete' );
+						$callback = [ $wp_filesystem, 'delete' ];
 						array_map( $callback, $json_translation_files );
 					}
 				}

src/WP_CLI/CommandWithUpgrade.php

@@ -203,15 +203,15 @@ public function install( $args, $assoc_args ) {
 
 				$filter = false;
 				// If a GitHub URL, do some guessing as to the correct plugin/theme directory.
-				if ( $is_remote && 'github.com' === \WP_CLI\Utils\parse_url( $slug, PHP_URL_HOST )
+				if ( $is_remote && 'github.com' === Utils\parse_url( $slug, PHP_URL_HOST )
 						// Don't attempt to rename ZIPs uploaded to the releases page or coming from a raw source.
 						&& ! preg_match( '#github\.com/[^/]+/[^/]+/(?:releases/download|raw)/#', $slug ) ) {
 
 					$filter = function ( $source ) use ( $slug ) {
 						/**
 						 * @var string $path
 						 */
-						$path     = \WP_CLI\Utils\parse_url( $slug, PHP_URL_PATH );
+						$path     = Utils\parse_url( $slug, PHP_URL_PATH );
 						$slug_dir = Utils\basename( $path, '.zip' );
 
 						// Don't use the zip name if archive attached to release, as name likely to contain version tag/branch.