clean up a vertobot a bit

contrib/vertobot/bot.pl

@@ -11,7 +11,6 @@ use JSON;
 use YAML;
 use Data::UUID;
 use Getopt::Long;
-use Digest::SHA qw( hmac_sha1_base64 );
 use Data::Dumper;
 
 binmode STDOUT, ":encoding(UTF-8)";

contrib/vertobot/config.yaml

@@ -8,10 +8,6 @@ matrix-bot:
   user_id: '@vertobot:matrix.org'
   password: ''
 
-# Extra registration params required for creating new "ghost" users
-matrix-register:
-  captcha_bypass_secret: ''
-
 verto-bot:
   host: webrtc.freeswitch.org
   service: 8081