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

Note: This is enforced by WPCS 3.0.0.

Follow-up to [56536].

Props jrf.
See #59161, #58831.

git-svn-id: https://develop.svn.wordpress.org/trunk@56547 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-text-diff-renderer-inline.php

@@ -30,5 +30,4 @@ class WP_Text_Diff_Renderer_inline extends Text_Diff_Renderer_inline {
 		$words  = str_replace( "\n", $newlineEscape, $words );
 		return $words;
 	}
-
 }