Fixed searching the elements in wxArrayPGProperty.

Use dedicated Index() function to search elements in wxArray instead of calling custom function.

include/wx/propgrid/propgriddefs.h

@@ -321,19 +321,6 @@ WX_DEFINE_TYPEARRAY_WITH_DECL_PTR(wxObject*, wxArrayPGObject,
                                   wxBaseArrayPtrVoid,
                                   class WXDLLIMPEXP_PROPGRID);
 
-// Utility to find if specific item is in a vector. Returns index to
-// the item, or wxNOT_FOUND if not present.
-template<typename CONTAINER, typename T>
-int wxPGFindInVector( CONTAINER vector, const T& item )
-{
-    for ( unsigned int i=0; i<vector.size(); i++ )
-    {
-        if ( vector[i] == item )
-            return (int) i;
-    }
-    return wxNOT_FOUND;
-}
-
 // -----------------------------------------------------------------------
 
 enum wxPG_GETPROPERTYVALUES_FLAGS