Ios: Use setup functions for a few factories

Change-Id: Ide05c2ca859454c1745e5c243af6a3d05131194c
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/ios/iosplugin.cpp

@@ -23,7 +23,6 @@
 #include <projectexplorer/runconfiguration.h>
 
 using namespace ProjectExplorer;
-using namespace QtSupport;
 
 namespace Ios::Internal {
 
@@ -45,10 +44,6 @@ public:
 class IosPluginPrivate
 {
 public:
-    IosRunConfigurationFactory runConfigurationFactory;
-    IosSettingsPage settingsPage;
-    IosQtVersionFactory qtVersionFactory;
-    IosDeviceFactory deviceFactory;
     IosSimulatorFactory simulatorFactory;
     IosBuildStepFactory buildStepFactory;
     IosDeployStepFactory deployStepFactory;
@@ -75,9 +70,14 @@ class IosPlugin final : public ExtensionSystem::IPlugin
 
         setupIosToolchain();
         setupIosBuildConfiguration();
+        setupIosQtVersion();
+        setupIosDevice();
 
         IosConfigurations::initialize();
 
+        setupIosRunConfiguration();
+        setupIosSettingsPage();
+
         d = new IosPluginPrivate;
     }