Remove deprecated MAILGUN_INGRESS_API_KEY and mailgun_api_key configurations

actionmailbox/CHANGELOG.md

@@ -1,3 +1,12 @@
+*   Removed deprecated environment variable `MAILGUN_INGRESS_API_KEY`.
+
+    *Rafael Mendonça França*
+
+*   Removed deprecated `Rails.application.credentials.action_mailbox.mailgun_api_key`.
+
+    *Rafael Mendonça França*
+
+
 ## Rails 7.0.0.alpha2 (September 15, 2021) ##
 
 *   No changes.

actionmailbox/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb

@@ -77,21 +77,7 @@ module ActionMailbox
       end
 
       def key
-        if Rails.application.credentials.dig(:action_mailbox, :mailgun_api_key)
-          ActiveSupport::Deprecation.warn(<<-MSG.squish)
-            Rails.application.credentials.action_mailbox.api_key is deprecated and will be ignored in Rails 7.0.
-            Use Rails.application.credentials.action_mailbox.signing_key instead.
-          MSG
-          Rails.application.credentials.dig(:action_mailbox, :mailgun_api_key)
-        elsif ENV["MAILGUN_INGRESS_API_KEY"]
-          ActiveSupport::Deprecation.warn(<<-MSG.squish)
-            The MAILGUN_INGRESS_API_KEY environment variable is deprecated and will be ignored in Rails 7.0.
-            Use MAILGUN_INGRESS_SIGNING_KEY instead.
-          MSG
-          ENV["MAILGUN_INGRESS_API_KEY"]
-        else
-          Rails.application.credentials.dig(:action_mailbox, :mailgun_signing_key) || ENV["MAILGUN_INGRESS_SIGNING_KEY"]
-        end
+        Rails.application.credentials.dig(:action_mailbox, :mailgun_signing_key) || ENV["MAILGUN_INGRESS_SIGNING_KEY"]
       end
 
       class Authenticator

guides/source/7_0_release_notes.md

@@ -153,6 +153,10 @@ Please refer to the [Changelog][action-mailbox] for detailed changes.
 
 ### Removals
 
+*   Removed deprecated `Rails.application.credentials.action_mailbox.mailgun_api_key`.
+
+*   Removed deprecated environment variable `MAILGUN_INGRESS_API_KEY`.
+
 ### Deprecations
 
 ### Notable changes