net.cpp: Do not change primary process name from (default) to "bitcoin-start"

Discussed a bit on IRC.

src/net.cpp

@@ -1763,9 +1763,6 @@ void static Discover()
 
 void StartNode(boost::thread_group& threadGroup)
 {
-    // Make this thread recognisable as the startup thread
-    RenameThread("bitcoin-start");
-
     if (semOutbound == NULL) {
         // initialize semaphore
         int nMaxOutbound = min(MAX_OUTBOUND_CONNECTIONS, (int)GetArg("-maxconnections", 125));