clean up screen and tail_log references

Change-Id: I6bcfa09931ed1f70e071ccb16688c15c7ef2898f
diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 784f3a8..c8d2540 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -455,7 +455,7 @@
     fi
 }
 
-# Start running processes, including screen
+# Start running processes
 function start_neutron_service_and_check {
     local service_port=$Q_PORT
     local service_protocol=$Q_PROTOCOL
@@ -524,7 +524,7 @@
     stop_process q-agt
 }
 
-# stop_mutnauq_other() - Stop running processes (non-screen)
+# stop_mutnauq_other() - Stop running processes
 function stop_mutnauq_other {
     if is_service_enabled q-dhcp; then
         stop_process q-dhcp