tests/docker: use direct RUNC call to run test jobs

If we build them without the script we can certainly run them without
it.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230228190653.1602033-22-alex.bennee@linaro.org>

tests/docker/Makefile.include

@@ -224,8 +224,9 @@ docker-run: docker-qemu-src
 			$(IMAGE) --executable $(EXECUTABLE),		\
 			"  COPYING $(EXECUTABLE) to $(IMAGE)"))
 	$(call quiet-command,						\
-		$(DOCKER_SCRIPT) run 					\
-			$(if $(NOUSER),,--run-as-current-user) 		\
+		$(RUNC) run 						\
+			--rm						\
+			$(if $(NOUSER),,-u $(UID)) 			\
 			--security-opt seccomp=unconfined		\
 			$(if $(DEBUG),-ti,)				\
 			$(if $(NETWORK),$(if $(subst $(NETWORK),,1),--net=$(NETWORK)),--net=none) \