remove unused SpriteChangeRecord::ChangeType::none

Change-Id: I66d6a8824df0430a560e4aabed0f829e51399467
Reviewed-on: https://gerrit.libreoffice.org/63904
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

compilerplugins/clang/unusedenumconstants.untouched.results

@@ -132,8 +132,6 @@ filter/source/msfilter/eschesdo.hxx:29
     enum ImplEESdrPageType NOTICE
 filter/source/msfilter/eschesdo.hxx:29
     enum ImplEESdrPageType MASTER
-include/canvas/spriteredrawmanager.hxx:145
-    enum canvas::SpriteRedrawManager::SpriteChangeRecord::ChangeType none
 include/connectivity/dbtools.hxx:822
     enum connectivity::dbase::DBFType dBaseIVMemo
 include/desktop/exithelper.h:25

include/canvas/spriteredrawmanager.hxx

@@ -142,7 +142,7 @@ namespace canvas
          */
         struct SpriteChangeRecord
         {
-            enum class ChangeType { none=0, move, update };
+            enum class ChangeType { move, update };
 
             SpriteChangeRecord( const Sprite::Reference&    rSprite,
                                 const ::basegfx::B2DPoint&  rOldPos,