great copy ctor/assignment operators cleanup by Paul Cornett (patch 1307665)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/cursor.cpp

@@ -153,13 +153,6 @@ wxCursor::wxCursor(const char bits[], int width, int  height,
     gdk_bitmap_unref( mask );
 }
 
-
-wxCursor::wxCursor( const wxCursor &cursor )
-    : wxObject()
-{
-    Ref( cursor );
-}
-
 #if wxUSE_IMAGE
 
 wxCursor::wxCursor( const wxImage & image )
@@ -320,16 +313,6 @@ wxCursor::~wxCursor()
 {
 }
 
-wxCursor& wxCursor::operator = ( const wxCursor& cursor )
-{
-    if (*this == cursor)
-        return (*this);
-
-    Ref( cursor );
-
-    return *this;
-}
-
 bool wxCursor::operator == ( const wxCursor& cursor ) const
 {
     return m_refData == cursor.m_refData;