Cleaning unused scss files

UI/WebServerResources/scss/views/MessageEditorUI.scss

@@ -1,9 +1,4 @@
-////
-/// SOGo
-/// Version: #{}
-/// Module: 
-/// Main definitions for 
-////
+/// MessageEditorUI.scss -*- Mode: text; indent-tabs-mode: nil; basic-offset: 2 -*-
 
 [id=messageEditor] {
   //width: (13 * $pitch + $mg); // 13 cols + 1margin for scrollbar
@@ -38,4 +33,4 @@ textarea.ck-editor{
   width: 100%;
   min-height: grid-step(3);
   margin-top: $mg;
-}
+}