remove unused SdrHintKind enum value

Change-Id: I7b64c93e95a74942b5c7462d0489e52ee8831ec7
Reviewed-on: https://gerrit.libreoffice.org/64564
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/svx/svdmodel.hxx

@@ -108,7 +108,6 @@ enum class SdrHintKind
     ModelCleared,         // deleted the whole model (no pages exist anymore). not impl.
     RefDeviceChange,      // RefDevice changed
     DefaultTabChange,     // Default tabulator width changed
-    DefaultFontHeightChange,   // Default FontHeight changed
     SwitchToPage,          // #94278# UNDO/REDO at an object evtl. on another page
     BeginEdit,             // Is called after the object has entered text edit mode
     EndEdit                // Is called after the object has left text edit mode

svx/source/svdraw/svdmodel.cxx

@@ -855,7 +855,6 @@ void SdrModel::SetDefaultFontHeight(sal_Int32 nVal)
 {
     if (nVal!=mnDefTextHgt) {
         mnDefTextHgt=nVal;
-        Broadcast(SdrHint(SdrHintKind::DefaultFontHeightChange));
         ImpReformatAllTextObjects();
     }
 }

svx/source/unodraw/unomod.cxx

@@ -146,7 +146,6 @@ bool SvxUnoDrawMSFactory::createEvent( const SdrModel* pDoc, const SdrHint* pSdr
             pObj = pSdrHint->GetObject();
             break;
 //                SdrHintKind::DefaultTabChange,   // default tab width changed
-//                SdrHintKind::DefaultFontHeightChange,   // default FontHeight changed
 //                SdrHintKind::SwitchToPage,    // #94278# UNDO/REDO at an object evtl. on another page
 //                HINT_OBJLISTCLEAR     // Is called before an SdrObjList will be cleared
         default: