Do not check gitlab token in makefile

Makefile

@@ -3,8 +3,8 @@ ROOT_DIR:=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
 VERSION=$(shell git rev-parse --short HEAD)
 TAG=arkindex-backend
 
-build: require-gitlab
-	docker build $(ROOT_DIR) --build-arg GITLAB_TOKEN=${GITLAB_TOKEN} -t $(TAG):$(VERSION)
+build:
+	docker build $(ROOT_DIR) -t $(TAG):$(VERSION)
 
 publish-version: require-docker-auth
 	$(MAKE) build TAG=registry.gitlab.com/arkindex/backend
@@ -20,9 +20,6 @@ release: require-version
 require-docker-auth:
 	@grep registry.gitlab.com ~/.docker/config.json > /dev/null || (echo "Docker Login on registry.gitlab.com"; docker login registry.gitlab.com)
 
-require-gitlab:
-	@if [ ! "${GITLAB_TOKEN}" ]; then echo "Missing GITLAB_TOKEN environment variable"; exit 1; fi
-
 require-version:
 	@if [ ! "$(version)" ]; then echo "Missing version to publish"; exit 1; fi
 	@git rev-parse $(version) >/dev/null 2>&1 && (echo "Version $(version) already exists on local git repo !" && exit 1) || true