Cleaned up some email helpers (#18806)

no issue

ghost/core/core/server/services/members/MembersConfigProvider.js

@@ -35,10 +35,6 @@ class MembersConfigProvider {
         return this._settingsHelpers.getMembersSupportAddress();
     }
 
-    getAuthEmailFromAddress() {
-        return this.getEmailSupportAddress();
-    }
-
     /**
      * @deprecated Use settingsHelpers.isStripeConnected instead
      */

ghost/core/core/server/services/members/api.js

@@ -47,7 +47,7 @@ function createApiInstance(config) {
                         logging.warn(message.text);
                     }
                     let msg = Object.assign({
-                        from: config.getAuthEmailFromAddress(),
+                        from: config.getEmailSupportAddress(),
                         subject: 'Signin',
                         forceTextContent: true
                     }, message);

ghost/staff-service/lib/StaffServiceEmails.js

@@ -419,11 +419,6 @@ class StaffServiceEmails {
         return this.settingsHelpers.getDefaultEmailDomain();
     }
 
-    get membersAddress() {
-        // TODO: get from address of default newsletter?
-        return `noreply@${this.defaultEmailDomain}`;
-    }
-
     get fromEmailAddress() {
         return `ghost@${this.defaultEmailDomain}`;
     }