WebAssembly: Convert to using Tr::tr

Change-Id: I7fb420363884236ebd7eeb589a29a475f8911915
Reviewed-by: hjk <hjk@qt.io>

src/plugins/webassembly/webassemblydevice.h

@@ -10,8 +10,6 @@ namespace Internal {
 
 class WebAssemblyDevice final : public ProjectExplorer::DesktopDevice
 {
-    Q_DECLARE_TR_FUNCTIONS(WebAssembly::Internal::WebAssemblyDevice)
-
 public:
     static ProjectExplorer::IDevice::Ptr create();