Remove checks for ancient gcc/MinGW versions.

Don't test for wxUSE_NORLANDER_HEADERS, this is always true since many, many
years.

Remove tests for gcc version < 3.3, notably 2.95: the minimal supported gcc
version is 3.4.

Closes #15727.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76549 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/app.cpp

@@ -61,14 +61,6 @@
     #include "wx/tooltip.h"
 #endif // wxUSE_TOOLTIPS
 
-// OLE is used for drag-and-drop, clipboard, OLE Automation..., but some
-// compilers don't support it (missing headers, libs, ...)
-#if defined(__GNUWIN32_OLD__) || defined(__SYMANTEC__)
-    #undef wxUSE_OLE
-
-    #define  wxUSE_OLE 0
-#endif // broken compilers
-
 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
     #include <ole2.h>
     #include <aygshell.h>