Revert "Land rapid7#4888, @h00die's brocade credential bruteforcer"

There were some issues with this module that caused backtraces when run outside
of msfconsole. Reverting it for now so we can add some specs and ensure that it
works like the other login scanners.

Author: Brent Cook

lib/metasploit/framework/login_scanner/brocade_telnet.rb

@@ -35,7 +35,7 @@ def create_login_ivars
     #
     # Some of these regexes borrowed from NeXpose, others added from datasets
     #
-    @login_regex = /(?:log[io]n( name|)|user( ?name|id|))\s*\:/i
+    @login_regex = /(?:log[io]n( name|)|user(name|id|))\s*\:/i
     @password_regex = /(?:password|passwd)\s*\:/i
     @false_failure_regex = /(?:(^\s*last)\ login *\:|allows only\ .*\ Telnet\ Client\ License)/i
     @failure_regex = /(?: