updating how we get dev deps

Makefile

@@ -14,4 +14,7 @@ lint:
 
 proto:
 	@echo "Running ${@}"
-	./scripts/build-protos.sh
+	./scripts/build-protos.sh
+
+build-dev-deps:
+	go get -u github.com/golang/protobuf/protoc-gen-go

README.md

@@ -45,9 +45,8 @@ In order to develop on storj, you will need to have the protobuf compiler instal
 Use vgo to install both dev and non-dev dependencies
 
 1. Install development dependencies
-    ```bash
-    # shouldn't change your pwd
-    (cd ./dev && vgo install)
+    ```
+    make build-dev-deps
     ```
 
 1. Install project dependencies

dev/go.mod

@@ -1,3 +0,0 @@
-module "storj.io/storj/dev"
-
-require "github.com/golang/protobuf" v1.0.0

dev/main.go

@@ -1,5 +0,0 @@
-package main // import "storj.io/storj/dev"
-
-import (
-  _ "github.com/golang/protobuf/protoc-gen-go"
-)