selftests: futex: delete RUN_TESTS and EMIT_TESTS overrides

Delete RUN_TESTS and EMIT_TESTS overrides and use common defines in
lib.mk. Common defines work just fine and there is no need to define
custom overrides.

Signed-off-by: Shuah Khan (Samsung OSG) <[e-mail]>
Reviewed-by: Anders Roxell <[e-mail]>
Signed-off-by: Shuah Khan (Samsung OSG) <[e-mail]>

tools/testing/selftests/futex/Makefile

···
 		fi \
 	done
 
-override define RUN_TESTS
-	@export KSFT_TAP_LEVEL=`echo 1`;
-	@echo "TAP version 13";
-	@echo "selftests: futex";
-	@echo "========================================";
-	@cd $(OUTPUT); ./run.sh
-endef
-
 override define INSTALL_RULE
 	mkdir -p $(INSTALL_PATH)
 	install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)
···
 		mkdir $$BUILD_TARGET  -p;	\
 		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \
 	done;
-endef
-
-override define EMIT_TESTS
-	echo "./run.sh"
 endef
 
 override define CLEAN