clean up generation scripts for better icon output

Author: mallardduck

config/generation.php

@@ -10,6 +10,9 @@
 
     $fileLines = file($tempFilepath);
     array_shift($fileLines);
+
+    $lastKey = count($fileLines) - 1;
+    $fileLines[$lastKey] = trim($fileLines[$lastKey]);
     file_put_contents($tempFilepath, $fileLines);
 };