debugger: simplify StartGdbServerDialogPrivate

Change-Id: I981e5ae6bf4506b3150a7e084ea099ac97de4b61
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/gdb/startgdbserverdialog.cpp

@@ -94,7 +94,6 @@ public:
         return DeviceProfileInformation::device(profile);
     }
 
-    StartGdbServerDialog *q;
     bool startServerOnly;
     DeviceProcessList *processList;
     QSortFilterProxyModel proxyModel;
@@ -113,7 +112,7 @@ public:
 };
 
 StartGdbServerDialogPrivate::StartGdbServerDialogPrivate(StartGdbServerDialog *q)
-    : q(q), startServerOnly(true), processList(0)
+    : startServerOnly(true), processList(0)
 {
     QSettings *settings = ICore::settings();