CppTools: Remove excess call to ProjectPart::updateLanguageFeatures

It is already called by BaseProjectPartBuilder::createProjectPart().
Besides ProjectInfo::finish() should not modify the project parts.

Change-Id: I4dc8276c94574a01432b7f98b9284e3bdf1b9f0b
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/cpptools/projectinfo.cpp

@@ -112,8 +112,6 @@ void ProjectInfo::finish()
     QSet<ProjectPartHeaderPath> uniqueHeaderPaths;
 
     foreach (const ProjectPart::Ptr &part, m_projectParts) {
-        part->updateLanguageFeatures();
-
         // Update header paths
         foreach (const ProjectPartHeaderPath &headerPath, part->headerPaths) {
             const int count = uniqueHeaderPaths.count();