drm/xe/rtp: Remove unneeded semicolon

drm/xe/rtp: Remove unneeded semicolon

Fix coccicheck report with regard to unneeded semicolon. This is
currently the only case according to

	make coccicheck \
		MODE=report \
		COCCI=scripts/coccinelle/misc/semicolon.cocci \
		M=drivers/gpu/drm/xe

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409151152.pJ4ukp5k-lkp@intel.com/
Reviewed-by: Jagmeet Randhawa <jagmeet.randhawa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916192149.855996-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>