Revert^3 "rust: Only allow bindgen to produce `rlib`s."

9cc801ab7af27684c190645f6fd0f9db8f798e15

Change-Id: Ib59840b51b316c0ad03bc66565814dd96be0b072
diff --git a/rust/protobuf.go b/rust/protobuf.go
index 88e80fe..9fe27c4c 100644
--- a/rust/protobuf.go
+++ b/rust/protobuf.go
@@ -238,7 +238,7 @@
 		Properties:         ProtobufProperties{},
 	}
 
-	module := NewSourceProviderModule(hod, protobuf, false, false)
+	module := NewSourceProviderModule(hod, protobuf, false)
 
 	return module, protobuf
 }