Merge branch 'remove-setup0.h'

Drop wx/setup0.h files hack and just use wx/setup.h.

See https://github.com/wxWidgets/wxWidgets/pull/2205

include/wx/chkconf.h

@@ -18,11 +18,8 @@
               **************************************************
 
     If you get an error saying "wxUSE_FOO must be defined", it means that you
-    are not using the correct up-to-date version of setup.h. This happens most
-    often when using git or snapshots and a new symbol was added to setup0.h
-    and you haven't updated your local setup.h to reflect it. If this is the
-    case, you need to propagate the changes from setup0.h to your setup.h and,
-    if using makefiles under MSW, also remove setup.h under the build directory
+    are not using the correct up-to-date version of setup.h. If you're building
+    using makefiles under MSW, also remove setup.h under the build directory
     (lib/$(COMPILER)_{lib,dll}/msw[u][d][dll]/wx) so that the new setup.h is
     copied there.
 

include/wx/motif/setup.h

@@ -1613,4 +1613,3 @@
 /* --- end common options --- */
 
 #endif // _WX_SETUP_H_
-

include/wx/msw/setup.h

@@ -1829,4 +1829,3 @@
 /* --- end MSW options --- */
 
 #endif // _WX_SETUP_H_
-

include/wx/msw/setup_inc.h

@@ -2,7 +2,7 @@
 // Name:        wx/msw/setup_inc.h
 // Purpose:     MSW-specific setup.h options
 // Author:      Vadim Zeitlin
-// Created:     2007-07-21 (extracted from wx/msw/setup0.h)
+// Created:     2007-07-21 (extracted from wx/msw/setup.h)
 // Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////

include/wx/univ/setup.h

@@ -1760,4 +1760,3 @@
 /* --- end wxUniv options --- */
 
 #endif // _WX_SETUP_H_
-

include/wx/univ/setup_inc.h

@@ -2,7 +2,7 @@
 // Name:        wx/univ/setup_inc.h
 // Purpose:     wxUniversal-specific setup.h options (this file is not used
 //              directly, it is injected by build/update-setup-h in the
-//              generated include/wx/univ/setup0.h)
+//              generated include/wx/univ/setup.h)
 // Author:      Vadim Zeitlin
 // Created:     2008-02-03
 // Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>