Remove wxMGL port.

The company behind MGL toolkit (SciTech) doesn't exist since several years and
this port is not used by anybody, so remove it to ease maintenance burden.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70353 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/app.h

@@ -635,7 +635,7 @@ public:
 
     /**
         Get display mode that is used use. This is only used in framebuffer
-        wxWidgets ports (such as wxMGL or wxDFB).
+        wxWidgets ports such as wxDFB.
     */
     virtual wxVideoMode GetDisplayMode() const;
 
@@ -727,7 +727,7 @@ public:
 
     /**
         Set display mode to use. This is only used in framebuffer wxWidgets
-        ports (such as wxMGL or wxDFB).
+        ports such as wxDFB.
     */
     virtual bool SetDisplayMode(const wxVideoMode& info);