remove old makefile

GNUmakefile

@@ -1,37 +0,0 @@
-default: test
-
-deps:
-	go get golang.org/x/tools/cmd/goimports || true
-	go get github.com/urfave/gfmrun/... || true
-	go list ./... \
-		| xargs go list -f '{{ join .Deps "\n" }}{{ printf "\n" }}{{ join .TestImports "\n" }}' \
-		| grep -v github.com/urfave/cli \
-		| xargs go get
-	@if [ ! -f node_modules/.bin/markdown-toc ]; then \
-		npm install markdown-toc ; \
-	fi
-
-gen: deps
-	./runtests gen
-
-vet:
-	./runtests vet
-
-gfmrun:
-	./runtests gfmrun
-
-v1-to-v2:
-	./cli-v1-to-v2 --selftest
-
-migrations:
-	./runtests migrations
-
-toc:
-	./runtests toc
-
-test: deps
-	./runtests test
-
-all: gen vet test gfmrun v1-to-v2 migrations toc
-
-.PHONY: default gen vet test gfmrun migrations toc v1-to-v2 deps all