Clang: do not pass the CXTranslationUnit_Incomplete option for parsing.

This flag is meant to be used when generating pre-compiled headers.

Change-Id: I4758f36c5774e7da8c3b6cc401ea4245761d2278
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/clangcodemodel/semanticmarker.cpp

@@ -66,7 +66,6 @@ void SemanticMarker::setFileName(const QString &fileName)
         m_unit->setCompilationOptions(oldOptions);
 
     unsigned clangOpts = clang_defaultEditingTranslationUnitOptions();
-    clangOpts |= CXTranslationUnit_Incomplete;
     clangOpts |= CXTranslationUnit_DetailedPreprocessingRecord;
     clangOpts &= ~CXTranslationUnit_CacheCompletionResults;
     m_unit->setManagementOptions(clangOpts);