remove logstream DEAL_II_WITH_THREADS logic

diff --git a/source/base/logstream.cc b/source/base/logstream.cc
index 5cceadf762f0b25774537fbbcfbc45829694eec4..12a9786c59c7026ce9781ddc1ae5e93d43480c41 100644 (file)
--- a/source/base/logstream.cc
+++ b/source/base/logstream.cc
@@ -382,7 +382,6 @@ LogStream::log_thread_id(const bool flag)
 std::stack<std::string> &
 LogStream::get_prefixes() const
 {
-#ifdef DEAL_II_WITH_THREADS
   bool                     exists         = false;
   std::stack<std::string> &local_prefixes = prefixes.get(exists);
 
@@ -396,10 +395,6 @@ LogStream::get_prefixes() const
     }
 
   return local_prefixes;
-
-#else
-  return prefixes.get();
-#endif
 }