Remove baseUrl

It's not used anywhere

conf/vroom.conf.sample

@@ -12,7 +12,6 @@ turnServer => 'turn.example.com',
 realm => 'example.com',
 
 # Web & contact
-baseUrl => 'https://vroom.example.com/',
 emailFrom => 'vroom@example.com',
 feedbackRecipient => 'admin@example.com',
 # Templates to use for web pages

public/vroom.pl

@@ -66,7 +66,6 @@ our $config = plugin Config => {
     signalingServer     => 'https://vroom.example.com/',
     stunServer          => 'stun.l.google.com:19302',
     realm               => 'vroom',
-    baseUrl             => 'https://vroom.example.com/',
     emailFrom           => 'vroom@example.com',
     feedbackRecipient   => 'admin@example.com',
     template            => 'default',