make: disable buildvcs

See golang/go#26746

Makefile

@@ -1,7 +1,7 @@
 all:
 
 build:
-	go build -ldflags "-X main.Commit=$(shell git rev-parse --short HEAD)" -o bin/ezorm
+	go build -buildvcs=false -ldflags "-X main.Commit=$(shell git rev-parse --short HEAD)" -o bin/ezorm
 
 build-plugin:
 	go build -o bin/ezorm-gen-hello-driver ./e2e/plugins/hello-driver