Revert "mikmod: Invert scrolling on everything that's not an ipod"

It fixes scrolling but inverts the volume, which is worse.

This reverts commit 003da4d223.

apps/plugins/mikmod/mikmod.c

@@ -790,11 +790,7 @@ static int playfile(char* filename)
         button = rb->get_action(CONTEXT_WPS, TIMEOUT_NOBLOCK);
         switch (button)
         {
-#ifdef HAVE_SCROLLWHEEL
         case ACTION_WPS_VOLUP:
-#else
-        case ACTION_WPS_VOLDOWN:
-#endif
             if ( display != DISPLAY_INFO )
             {
                 if ( textlines-vscroll >= MAX_LINES )
@@ -808,11 +804,7 @@ static int playfile(char* filename)
             rb->adjust_volume(1);
             break;
 
-#ifdef HAVE_SCROLLWHEEL
         case ACTION_WPS_VOLDOWN:
-#else
-        case ACTION_WPS_VOLUP:
-#endif
             if ( display != DISPLAY_INFO )
             {
                 if ( vscroll > 0 )