removed wxGzipStreams (supported by wxZlibStreams now)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26959 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/chkconf.h

@@ -786,17 +786,6 @@
 #   endif
 #endif /* wxUSE_PROTOCOL */
 
-#if wxUSE_GZSTREAM
-#   if !wxUSE_ZLIB
-#       ifdef wxABORT_ON_CONFIG_ERROR
-#           error "wxUSE_GZSTREAM requires wxUSE_ZLIB"
-#       else
-#           undef wxUSE_ZLIB
-#           define wxUSE_ZLIB 1
-#       endif
-#   endif
-#endif /* wxUSE_GZSTREAM */
-
 /* have to test for wxUSE_HTML before wxUSE_FILESYSTEM */
 #if wxUSE_HTML
 #   if !wxUSE_FILESYSTEM