Remove bogus assert on number of oubound connections.

This value can be significantly higher if the users uses addnode

src/net.cpp

@@ -1622,7 +1622,6 @@ void CConnman::ThreadOpenConnections()
                 }
             }
         }
-        assert(nOutbound <= (nMaxOutbound + nMaxFeeler));
 
         // Feeler Connections
         //