linter: Add and apply new formatting rules

New rules:
`InsertNewlineAtEOF: true`
`RemoveSemicolon: true`
`RequiresClausePosition: WithPreceding`

Source/Core/DolphinQt/Config/ConfigControls/ConfigChoice.cpp

@@ -190,4 +190,4 @@ void ConfigComplexChoice::mousePressEvent(QMouseEvent* event)
   {
     QComboBox::mousePressEvent(event);
   }
-};
+}