Remove limitation on "wp db size" (#5507)

Author: rebeccahum

lib/helpers/wp-cli-db/class-wp-cli-db.php

@@ -49,7 +49,6 @@ public function validate_subcommand( array $command ) {
 			'query',
 			'prefix',
 			'columns',
-			'size',
 			'tables',
 		];