Remove duplicate check (not entirely duplicate, but was catching the same thing as an earlier one)

lib/dovecot_parser.pm

@@ -96,14 +96,6 @@ sub parser {
 			m/ (rip=($re_host))	/gcix && do {
 				$host	= $2;
 			};
-	} elsif($string =~ m/unknown user$/) {
-		$_		= $string;
-		$hostile	= 1;
-		$reply		= 'Unknown user';
-		PARSER:
-			m/Info: pam\([a-zA-Z0-9@._-]*,($re_host),\<.*\>\): unknown user/gi && do {
-				$host	= $1;
-			};
 	} elsif($string =~ m/Request timed out waiting for client to continue authentication/) {
 		$hostile	= 0;
 		$reply		= 'Timed out during auth';