Merge pull request #903 from hashicorp/updatedeps-without-deplist

Makefile: simplify updatedeps; no need for deplist

Makefile

@@ -32,12 +32,11 @@ testrace: generate
 # updatedeps installs all the dependencies that Terraform needs to run
 # and build.
 updatedeps:
-	go get -u github.com/phinze/deplist
 	go get -u github.com/mitchellh/gox
 	go get -u golang.org/x/tools/cmd/stringer
 	go get -u golang.org/x/tools/cmd/vet
-	go list github.com/hashicorp/terraform/... \
-		| xargs -n 1 deplist -s \
+	go list ./... \
+		| xargs go list -f '{{join .Deps "\n"}}' \
 		| grep -v github.com/hashicorp/terraform \
 		| sort -u \
 		| xargs go get -f -u -v