Avoid printing rhost:rport from AuthBrute

When AuthBurte is mixed with other modules using the TCP mixin,
rhost:rport is printed twice. This info should come from the
protocol level mixin.

Author: wchen-r7

lib/msf/core/auxiliary/auth_brute.rb

@@ -593,8 +593,7 @@ def build_brute_message(host_ip,host_port,proto,msg,legacy)
       old_msg = msg.to_s.strip
       msg_regex = /(#{ip})(:#{port})?(\s*-?\s*)(#{proto.to_s})?(\s*-?\s*)(.*)/ni
       if old_msg.match(msg_regex) and !old_msg.match(msg_regex)[6].to_s.strip.empty?
-        complete_message = [ip,port].join(":")
-        (complete_message << " ") if ip
+        complete_message = ''
         complete_message << (old_msg.match(msg_regex)[4] || proto).to_s
         complete_message << " - "
         progress = tried_over_total(ip,port)
@@ -604,8 +603,7 @@ def build_brute_message(host_ip,host_port,proto,msg,legacy)
         complete_message = msg.to_s.strip
       end
     else
-      complete_message = [ip,port].join(":")
-      (complete_message << " ") if ip
+      complete_message = ''
       complete_message << "#{proto.to_s.strip} - " if proto
       progress = tried_over_total(ip,port)
       complete_message << progress if progress