Remove superfluous method

Obsoleted by session.session_host, which does the same thing

modules/exploits/windows/local/current_user_psexec.rb

@@ -125,32 +125,5 @@ class Metasploit3 < Msf::Exploit::Local
 
 	end
 
-	#
-	# Returns the victim's *internal* IP address if it can
-	#
-	def detect_address
-		tpeer = session.tunnel_peer.split(/:/)[0]
-		ifaces = session.net.config.interfaces
-
-		ifaces.each do |iface|
-			next if iface.ip == "127.0.0.1"
-			# If these two match up, there's no NAT or anything getting in our
-			# way, go ahead and just use it.
-			return tpeer if iface.ip == tpeer
-		end
-
-		# otherwise, we have to take a leap of faith and assume the first
-		# address that isn't localhost is something the victim hosts will
-		# be able to route to.
-		address = ifaces.map{|i|i.addrs.first}.find { |a| a != "127.0.0.1" }
-		if address.nil?
-			# The session is giving us bogus interface data, something is
-			# amiss.  But since we can't really do anything about it, bail.
-			raise RuntimeError.new "Couldn't determine an address to use for the share"
-		end
-
-		address
-	end
-
 end