ProjectExplorer: Remove IRunConfigurationAspect::runConfiguration

... and adapt constructors to not take the now-unneeded
RunConfiguration pointer.

Change-Id: I53ff338f51334ff7b0c22d4bed92bfcfc8225ea7
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

src/plugins/valgrind/valgrindplugin.cpp

@@ -92,8 +92,7 @@ private:
 class ValgrindRunConfigurationAspect : public IRunConfigurationAspect
 {
 public:
-    ValgrindRunConfigurationAspect(RunConfiguration *parent)
-        : IRunConfigurationAspect(parent)
+    ValgrindRunConfigurationAspect(RunConfiguration *)
     {
         setProjectSettings(new ValgrindProjectSettings);
         setGlobalSettings(ValgrindPlugin::globalSettings());