Ios: Use device types as restrictions on project configurations

Change-Id: I3c31f14eba9d9f68a333a814bea800a3da38d4a2
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>

src/plugins/ios/iosdeploystepfactory.h

@@ -36,7 +36,6 @@ class IosDeployStepFactory : public ProjectExplorer::BuildStepFactory
 
 public:
     IosDeployStepFactory();
-    bool canHandle(ProjectExplorer::BuildStepList *parent) const;
 };
 
 } // namespace Internal