remove QT_NO_KEYWORDS from CGAL::CGAL_Basic_viewer (#8581)

## Summary of Changes

Fix #8574.

## Release Management

* Affected package(s): CGAL, CMake scripts
* Issue(s) solved (if any): fix #0000, fix #0000,...
* Feature/Small Feature (if any):
* Link to compiled documentation (obligatory for small feature) [*wrong
link name to be changed*](httpssss://wrong_URL_to_be_changed/Manual/Pkg)
* License and copyright ownership:

Installation/lib/cmake/CGAL/CGALConfig.cmake

@@ -199,7 +199,7 @@ endforeach()
 if (NOT TARGET CGAL::CGAL_Basic_viewer)
   add_library(CGAL::CGAL_Basic_viewer INTERFACE IMPORTED GLOBAL)
     set_target_properties(CGAL::CGAL_Basic_viewer PROPERTIES
-      INTERFACE_COMPILE_DEFINITIONS "CGAL_USE_BASIC_VIEWER;QT_NO_KEYWORDS"
+      INTERFACE_COMPILE_DEFINITIONS "CGAL_USE_BASIC_VIEWER"
       INTERFACE_LINK_LIBRARIES CGAL::CGAL_Qt6)
 endif()