Fix missing permissions on docker socket

Makefile

@@ -67,7 +67,6 @@ images/debian-buster.squashfs: images
 		-v /var/run/docker.sock:/var/run/docker.sock \
 		-v "${PWD}:${PWD}" \
 		-w "${PWD}" \
-		-u `id -u`:`id -g` \
 		-e "IMAGES=${PWD}/images" \
 		-e "ANNOUNCE=$(ANNOUNCE)" \
 		-e "WEBSEED=$(WEBSEED)" \
@@ -82,7 +81,6 @@ images/debian-buster.torrent: images
 		--rm \
 		-v "${PWD}:${PWD}" \
 		-w "${PWD}" \
-		-u `id -u`:`id -g` \
 		-e "ANNOUNCE=$(ANNOUNCE)" \
 		-e "WEBSEED=$(WEBSEED)" \
 		"$(DOCKER_IMAGE_BUILDER)" \