MacrosPlugin: Modernize

modernize-*

Change-Id: Iffb1bdc9b2b7e89e4744ceaef35f7bcaad418797
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/macros/macroevent.h

@@ -40,7 +40,7 @@ namespace Internal {
 class MacroEvent
 {
 public:
-    MacroEvent() {}
+    MacroEvent() = default;
 
     Core::Id id() const;
     void setId(Core::Id id);