CppTools: modernize

Change-Id: Iaf02e4d026f1ac8b216833d83cd7a735e21ff60a
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/cpptools/cppmodelmanagersupport.h

@@ -65,7 +65,7 @@ public:
 class CPPTOOLS_EXPORT ModelManagerSupportProvider
 {
 public:
-    virtual ~ModelManagerSupportProvider() {}
+    virtual ~ModelManagerSupportProvider() = default;
 
     virtual QString id() const = 0;
     virtual QString displayName() const = 0;