remove unused Video from SgaObjKind enum

Change-Id: I10c712f7be1247055f7bd28b25fdd6950da9d50b

include/svx/galmisc.hxx

@@ -55,7 +55,6 @@ enum class SgaObjKind
     NONE = 0,   // abstract object
     Bitmap = 1,    // bitmap object
     Sound = 2,  // sound object
-    Video = 3,  // video object
     Animation = 4,   // animation object
     SvDraw = 5, // Svdraw object
     Inet = 6    // graphics from the internet

svx/source/unogallery/unogalitem.cxx

@@ -161,7 +161,6 @@ sal_Int8 SAL_CALL GalleryItem::getType()
         switch( implGetObject()->eObjKind )
         {
             case SgaObjKind::Sound:
-            case SgaObjKind::Video:
                 nRet = gallery::GalleryItemType::MEDIA;
             break;