Default format is actually a number, not --format=table

Author: danielbachhuber

README.md

@@ -738,7 +738,6 @@ Available size formats include:
 	[--format=<format>]
 		Render output in a particular format.
 		---
-		default: table
 		options:
 		  - table
 		  - csv

src/DB_Command.php

@@ -706,7 +706,6 @@ public function tables( $args, $assoc_args ) {
 	 * [--format=<format>]
 	 * : Render output in a particular format.
 	 * ---
-	 * default: table
 	 * options:
 	 *   - table
 	 *   - csv