Strip the proto build guard

hack/after-build/update-generated-protobuf.sh

@@ -42,6 +42,5 @@ gotoprotobuf=$(kube::util::find-binary "go-to-protobuf")
 # satisfies import of github.com/gogo/protobuf/gogoproto/gogo.proto and the core Google protobuf types
 PATH="${KUBE_ROOT}/_output/local/go/bin:${PATH}" \
   "${gotoprotobuf}" \
-  --conditional="proto" \
   --proto-import="${KUBE_ROOT}/Godeps/_workspace/src" \
   --proto-import="${KUBE_ROOT}/third_party/protobuf"

hack/verify-all.sh

@@ -26,7 +26,6 @@ SILENT=true
 # Excluded checks are always skipped.
 EXCLUDED_CHECKS=(
   "verify-linkcheck.sh"  # runs in separate Jenkins job once per day due to high network usage
-  "verify-generated-protobuf.sh"  # TODO(smarterclayton) add when protobuf is part of direct generation
   )
 
 function is-excluded {

pkg/api/resource/quantity_proto.go

-// +build proto
-
 /*
 Copyright 2015 The Kubernetes Authors All rights reserved.
 

pkg/api/serialization_proto_test.go

-// +build proto
-
 /*
 Copyright 2015 The Kubernetes Authors All rights reserved.
 

pkg/api/unversioned/time_proto.go

-// +build proto
-
 /*
 Copyright 2015 The Kubernetes Authors All rights reserved.
 

pkg/runtime/serializer/protobuf/protobuf.go

-// +build proto
-
 /*
 Copyright 2015 The Kubernetes Authors All rights reserved.
 

pkg/runtime/serializer/protobuf/protobuf_test.go

-// +build proto
-
 /*
 Copyright 2015 The Kubernetes Authors All rights reserved.
 

pkg/runtime/serializer/protobuf_extension.go

-// +build proto
-
 /*
 Copyright 2014 The Kubernetes Authors All rights reserved.
 

pkg/runtime/types_proto.go

-// +build proto
-
 /*
 Copyright 2015 The Kubernetes Authors All rights reserved.