Remove unneeded requires

scripts/broadcast-hid-discoveryd.nse

@@ -1,5 +1,4 @@
 local nmap = require "nmap"
-local packet = require "packet"
 local stdnse = require "stdnse"
 local string = require "string"
 local target = require "target"

scripts/broadcast-jenkins-discover.nse

@@ -1,5 +1,4 @@
 local nmap = require "nmap"
-local packet = require "packet"
 local stdnse = require "stdnse"
 local string = require "string"
 local os = require "os"

scripts/hostmap-crtsh.nse

@@ -44,14 +44,12 @@ license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
 
 categories = {"external", "discovery"}
 
-local ipOps = require "ipOps"
 local io = require "io"
 local http = require "http"
 local stdnse = require "stdnse"
 local string = require "string"
 local target = require "target"
 local table = require "table"
-local shortport = require "shortport"
 
 -- Different from stdnse.get_hostname
 -- this function returns nil if the host is only known by IP address

scripts/ssl-enum-ciphers.nse

@@ -1,4 +1,3 @@
-local comm = require "comm"
 local coroutine = require "coroutine"
 local math = require "math"
 local nmap = require "nmap"