Revert "Reset error counter on link reconnect"

This reverts commit b4089ad9.

src/comm/SerialLink.cc

@@ -242,9 +242,6 @@ void SerialLink::run()
                 delete m_port;
                 m_port = NULL;
 
-                // We are reconnecting, so give it a fresh start
-                linkErrorCount = 0;
-
                 emit disconnected();
                 emit connected(false);
             }