clean up makefile (#6)

Author: houqp

Makefile

@@ -6,21 +6,3 @@ cover:
 	go test -coverprofile=go-cover.profile -timeout 5s ./...
 	go tool cover -html=go-cover.profile
 	rm go-cover.profile
-
-# release:
-# 	gox -output "dist/sqlvet_{{.OS}}_{{.Arch}}" \
-# 		-ldflags "-X main.gitCommit=`git rev-list -1 HEAD`" \
-# 		-osarch="linux/amd64" \
-# 		-osarch="windows/amd64" \
-# 		-osarch="freebsd/amd64" \
-# 		-osarch="openbsd/amd64" \
-# 		-osarch="netbsd/amd64" \
-# 		-osarch="darwin/amd64" \
-# 		./...
-# 	ghr -t ${GITHUB_TOKEN} \
-# 		-u houqp \
-# 		--draft \
-# 		-r sqlvet \
-# 		-c `git rev-parse HEAD` \
-# 		--replace `git describe --tags` \
-# 		./dist/