Remove obsolete comment.

ncat/scripts/chargen.lua

@@ -1,9 +1,5 @@
 --chargen.lua - implements the RFC 864 CHARGEN service which basically spams
 --the remote user until he decides to close the connection.
---
---CAVEAT: at the moment you need --lua-extensions to make sure this script will
---die once the connection gets closed. Otherwise, you will get a nasty infinite
---loop that will waste your CPU power until you kill the process.
 
 while true do
   print "chargen"