Cosmetics in Makefile

I can no longer format SD card in Gnome with lowercase name (dont know why) hence the change to uppercase. Silenced error produced by clean target when trying to remove non-existent Docker image

Makefile

@@ -53,7 +53,7 @@ build: repository
 
 card: clean build
 	@echo "### Copying to sdcard..."
-	@rsync -chavz --delete ${DIST_DIR}/ /media/$(shell whoami)/entropi
+	@rsync -chavz --delete ${DIST_DIR}/ /media/$(shell whoami)/ENTROPI
 	@echo "### Copying to sdcard done"
 	-@make clean
 
@@ -62,7 +62,7 @@ clean:
 	-@rm -rf ${DIST_DIR}
 	-@rm -rf tmp*
 	-@rm -f ${CACHE_DIR}/aport/${RELEASE_VERSION}/main/${ALPINE_ARCH}/APKINDEX.tar.gz
-	-@docker rmi ${BUILDER_DOCKER_IMAGE} 1> /dev/null
+	-@docker rmi ${BUILDER_DOCKER_IMAGE} >/dev/null 2>&1
 	@echo "### Cleaning done"
 
 mrproper: clean