ProjectExplorer: Replace RunConfiguration::doAdditionalSetup

... by an explicit update() call. This is what effectively done in
most cases, and should be harmless and reasonably cheap in most other
cases.

Change-Id: I323112ec7cdbccf19050ac54466d8e1d97a0516e
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/ios/iosrunconfiguration.h

@@ -50,8 +50,6 @@ public:
     QString disabledReason() const override;
     IosDeviceType deviceType() const;
 
-    void doAdditionalSetup(const ProjectExplorer::RunConfigurationCreationInfo &) override;
-
 private:
     bool isEnabled() const final;