ProjectExplorer: Remove replacement kits

... for which the original kit has turned up again. Otherwise we'd have
more than one kit with the same id.

Fixes: QTCREATORBUG-24589
Change-Id: I7ce16615694d3d2c5a5441f676ecb7dc85c2239c
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/projectexplorer/project.cpp

@@ -776,6 +776,7 @@ void Project::createTargetFromMap(const QVariantMap &map, int index)
                         Utils::transform(KitManager::kits(), &Kit::unexpandedDisplayName));
                 kit->setUnexpandedDisplayName(tempKitName);
                 DeviceTypeKitAspect::setDeviceTypeId(kit, deviceTypeId);
+                kit->makeReplacementKit();
                 kit->setup();
         }, id);
         TaskHub::addTask(BuildSystemTask(Task::Warning, tr("Project \"%1\" was configured for "