[ticket/12458] Apply Squiz.WhiteSpace.SuperfluousWhitespace.* to legacy code.

* There MUST NOT be trailing whitespace at the end of lines.
* There MUST NOT be whitespace before the first content of a file.
* There MUST NOT be whitespace after the last content of a file.
* Functions MUST NOT contain multiple empty lines in a row.

PHPBB3-12458

phpBB/includes/acp/acp_ranks.php

@@ -214,7 +214,6 @@ class acp_ranks
 					'MIN_POSTS'			=> (isset($ranks['rank_min']) && !$ranks['rank_special']) ? $ranks['rank_min'] : 0)
 				);
 
-
 				return;
 
 			break;