Meta+Applications: Make clang-format-10 clean

Author: https://github.com/BenWiederhake
Commit: 9ef1461ec9
Pull-request: https://github.com/SerenityOS/serenity/pull/3541
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg

Applications/PixelPaint/PickerTool.h

@@ -39,7 +39,6 @@ public:
 
 private:
     virtual const char* class_name() const override { return "PickerTool"; }
-
 };
 
 }