Remove wxPM, wxWidgets port to OS/2.

This port is not used and is not being worked on, so remove it to reduce the
amount of the code which needs to be updated for every global change.

Also remove tests for VisualAge compiler which isn't used since ages.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76533 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/window.h

@@ -54,7 +54,7 @@
 // Otherwise wx itself must ensure that when the parent is disabled its
 // children are disabled too, and their initial state is restored when the
 // parent is enabled back.
-#if defined(__WXMSW__) || defined(__WXPM__)
+#if defined(__WXMSW__)
     // must do everything ourselves
     #undef wxHAS_NATIVE_ENABLED_MANAGEMENT
 #elif defined(__WXOSX__)
@@ -1926,13 +1926,6 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
         #define wxWindowCocoa wxWindow
     #endif // wxUniv
     #include "wx/cocoa/window.h"
-#elif defined(__WXPM__)
-    #ifdef __WXUNIVERSAL__
-        #define wxWindowNative wxWindowOS2
-    #else // !wxUniv
-        #define wxWindowOS2 wxWindow
-    #endif // wxUniv/!wxUniv
-    #include "wx/os2/window.h"
 #endif
 
 // for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,