Misc, noop cleanups

src/backend/common/Builder.cpp

@@ -54,7 +54,7 @@ namespace backend {
         gotStatus = true;
 
         storedStatus = status;
-        storedMessage = std::move(message);
+        storedMessage = message;
     }
 
     bool BuilderBase::HandleResult(RefCounted* result) {

src/tests/unittests/WireTests.cpp

@@ -23,7 +23,6 @@
 using namespace testing;
 using namespace nxt::wire;
 
-
 class MockDeviceErrorCallback {
     public:
         MOCK_METHOD2(Call, void(const char* message, nxtCallbackUserdata userdata));