Improve RuboCop rules (compatibility to Code Climate) (#3636)

08f8de84eb/Gemfile.lock (L38)
Code Climate is using RuboCop v0.46.0.

Change several rules to maintain compatibility.

app/services/fetch_atom_service.rb

@@ -16,7 +16,7 @@ class FetchAtomService < BaseService
 
     return nil if response.code != 200
     return [url, fetch(url)] if response.mime_type == 'application/atom+xml'
-    return process_headers(url, response) unless response['Link'].blank?
+    return process_headers(url, response) if response['Link'].present?
     process_html(fetch(url))
   rescue OpenSSL::SSL::SSLError => e
     Rails.logger.debug "SSL error: #{e}"

app/services/suspend_account_service.rb

@@ -23,7 +23,7 @@ class SuspendAccountService < BaseService
       @account.notifications,
       @account.favourites,
       @account.active_relationships,
-      @account.passive_relationships
+      @account.passive_relationships,
     ].each do |association|
       destroy_all(association)
     end

app/services/update_remote_profile_service.rb

@@ -24,7 +24,7 @@ class UpdateRemoteProfileService < BaseService
     end
 
     old_hub_url     = account.hub_url
-    account.hub_url = hub_link['href'] if !hub_link.nil? && !hub_link['href'].blank? && (hub_link['href'] != old_hub_url)
+    account.hub_url = hub_link['href'] if !hub_link.nil? && hub_link['href'].present? && (hub_link['href'] != old_hub_url)
 
     account.save_with_optional_media!