Task #8598: applied some patches from production

LTA/LTAIngest/ltacp.py

@@ -430,7 +430,6 @@ class LtaCp:
                 p_remote_rm.communicate()
                 if p_remote_rm.returncode != 0:
                     logger.error("Could not remove remote fifo %s@%s:%s\n%s" % (self.src_user, self.src_host, self.remote_data_fifo, p_remote_rm.stderr))
-                self.remote_data_fifo = None
 
     def cleanup(self):
         logger.debug('ltacp %s: cleaning up' % (self.logId))