Fix Error screen and optimize GetTouchInfo

src/displayapp/screens/Error.cpp

@@ -48,7 +48,3 @@ void Error::ButtonEventHandler() {
 Error::~Error() {
   lv_obj_clean(lv_scr_act());
 }
-
-bool Error::Refresh() {
-  return running;
-}

src/displayapp/screens/Error.h

@@ -12,7 +12,6 @@ namespace Pinetime {
         Error(DisplayApp* app, System::BootErrors error);
         ~Error() override;
 
-        bool Refresh() override;
         void ButtonEventHandler();
       private:
         lv_obj_t* btnOk;