drm/xe: remove a number of superfluous compat macros

drm/xe: remove a number of superfluous compat macros

Some compat macros have inadvertently been sprinkled in xe core
headers. Remove the final users and the macros.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/418185993c5825a54ac3f87a85463c799c91e47d.1726589119.git.jani.nikula@intel.com