remove .gitlab subtree

.gitlab/Makefile

@@ -1,36 +0,0 @@
-SHELL := /bin/bash
-
-VERSION ?= $(shell cat VERSION)
-IMAGE ?= $(shell cat IMAGE):$(VERSION)
-IMAGE_LATEST ?= $(shell cat IMAGE):latest
-PWD ?= $(shell pwd)
-STASH ?= "common-update-stash"
-
-include .gitlab/make/docker.makefile
-include .gitlab/make/helm.makefile
-include .gitlab/make/kaniko.makefile
-include .gitlab/make/truenas.makefile
-include .gitlab/make/git.makefile
-
-.PHONY: warning
-warning:
-	@printf "Running a potentially destructive command. If a conflict occurs, fix the conflict and re-run the command.\n"
-	@printf "Cancel with ctrl + c within 3 seconds."
-	@sleep 3
-
-.PHONY: make-stash-drop
-make-stash-drop:
-	@if [ ! -z "$$(git stash list | grep -r 'stash@{0}.*common')" ]; then git stash drop; fi
-
-.PHONY: make-update
-make-update:
-	-git remote add common git@gitlab.ducoterra.net:services/common.git
-	-git subtree pull --prefix .gitlab --message "Merge update from Common" -q git@gitlab.ducoterra.net:services/common.git main
-
-.PHONY: make-push
-make-push: warning
-	@make make-update
-	@git remote add common git@gitlab.ducoterra.net:services/common.git
-	@git subtree split --branch common-minecraft --prefix .gitlab
-	@git subtree push --prefix .gitlab common main
-	@git remote remove common