drm/xe: do not select ACPI_BUTTON

drm/xe: do not select ACPI_BUTTON

The xe driver has never needed ACPI button. Selecting the kconfig is
just copy-paste from i915, which no longer needs it either. Stop
selecting ACPI_BUTTON.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Closes: https://lore.kernel.org/r/ZmGsJsXhHcPV48XJ@intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1872adc6b20ce4c5ef55ba60a7233b31ace776fb.1717747542.git.jani.nikula@intel.com