Fix public channel

app/services/block_domain_service.rb

@@ -1,6 +1,6 @@
 class BlockDomainService < BaseService
   def call(domain)
-    block = DomainBlock.find_or_create_by!(domain: domain)
+    DomainBlock.find_or_create_by!(domain: domain)
 
     Account.where(domain: domain).find_each do |account|
       if account.subscribed?

app/services/fetch_remote_account_service.rb

@@ -19,7 +19,7 @@ class FetchRemoteAccountService < BaseService
     Rails.logger.debug "Going to webfinger #{username}@#{domain}"
 
     return FollowRemoteAccountService.new.call("#{username}@#{domain}")
-  rescue TypeError => e
+  rescue TypeError
     Rails.logger.debug "Unparseable URL given: #{url}"
     nil
   rescue Nokogiri::XML::XPath::SyntaxError