Coding Standards: Remove superfluous blank lines at the end of various functions.

Note: This is enforced by WPCS 3.0.0.

Follow-up to [56536], [56547].

Props jrf.
See #59161, #58831.

git-svn-id: https://develop.svn.wordpress.org/trunk@56548 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/includes/mock-fs.php

@@ -73,7 +73,6 @@ class WP_Filesystem_MockFS extends WP_Filesystem_Base {
 				$this->put_contents( $path, 'This is a test file' );
 			}
 		}
-
 	}
 
 	/**