Revert "Exclude headers generated by wayland-scanner from code checks"

This reverts commit c375a91dd6 as it's
not needed any longer because the files in question are not present in
the repository any more.

.github/workflows/code_checks.yml

@@ -57,7 +57,6 @@ jobs:
                 ':!build/upmake' \
                 ':!build/vcxproj-clone' \
                 ':!docs/doxygen/doxygen-awesome-css/*' \
-                ':!include/wx/gtk/private/wayland/*.h' \
                 ':!misc/languages/data/unicode/*.xml' \
                 ':!samples/widgets/widgets.bkl' \
                 ':!src/gtk/wayland/*.c' \
@@ -99,7 +98,6 @@ jobs:
             git fetch --depth=1 origin master
             if git diff origin/master \
                ':**.h' ':**.cpp' \
-               ':!include/wx/gtk/private/wayland/*.h' \
                | grep -E '^\+.*(wxOVERRIDE|wxNOEXCEPT|wxMEMBER_DELETE|__WXFUNCTION__|[^"_@A-Za-z0-9]NULL([- ,;()+*/%&=!?]|$))'; then
               echo "::error ::Please use C++11 equivalents of the deprecated macros in the new code."
               exit 1