QMakeProjectManager: Introduce member initialization.

Change-Id: I69df0c22a215b2df12f63fdc47082e9797fc02ac
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>

src/plugins/qmakeprojectmanager/profileeditor.cpp

@@ -58,11 +58,6 @@ namespace Internal {
 
 class ProFileEditorWidget : public TextEditorWidget
 {
-public:
-    ProFileEditorWidget()
-    {
-    }
-
 protected:
     virtual Link findLinkAt(const QTextCursor &, bool resolveTarget = true,
                             bool inNextSplit = false) override;