Temporarily remove goreleaser

For now, I'm fine with `./build.sh release`. When we'll be fully
written in Go, we'll explorer more perks.

Makefile

@@ -1,46 +0,0 @@
-GO ?= GOPATH="" go
-
-install-dev-deps:
-	@$(GO) get golang.org/x/tools/cmd/cover
-	@$(GO) get github.com/mattn/goveralls
-
-build:
-	@echo "Building dist/ooni"
-	@$(GO) build -o dist/ooni cmd/ooni/main.go
-.PHONY: build
-
-build-windows:
-	@echo "Building dist/windows/amd64/ooni.exe"
-	@./build.sh windows
-
-build-linux:
-	@echo "Building dist/linux/amd64/ooni"
-	@./build.sh linux
-
-build-macos:
-	@echo "Building dist/macos/amd64/ooni"
-	@./build.sh macos
-
-build-all: build-windows build-linux build-macos
-.PHONY: build-all build-windows build-linux build-macos
-
-bindata:
-	@$(GO) run vendor/github.com/shuLhan/go-bindata/go-bindata/*.go \
-		-nometadata	\
-		-o internal/bindata/bindata.go -pkg bindata \
-	    data/...;
-
-release:
-	GITHUB_TOKEN=`cat ~/.GORELEASE_GITHUB_TOKEN` goreleaser --rm-dist
-	./build.sh linux
-	mv dist/linux/amd64 dist/ooniprobe_$(git describe --tags | sed s/^v//)_linux_amd64
-	tar cvzf dist/ooniprobe_$(git describe --tags | sed s/^v//)_linux_amd64.tar.gz \
-		-C dist/ooniprobe_$(git describe --tags | sed s/^v//)_linux_amd64 \
-		ooni
-	cd dist && shasum -a 256 ooniprobe_$(git describe --tags | sed s/^v//)_linux_amd64.tar.gz >> ooniprobe_checksums.txt
-	gpg -a --detach-sign dist/ooniprobe_checksums.txt
-
-test-internal:
-	@$(GO) test -v ./internal/...
-
-.PHONY: bindata