Update Gmail MX record

Author: farski

dns/studio360.org-hosted_zone.yml

@@ -78,11 +78,7 @@ Resources:
       RecordSets:
         - Name: !Ref Domain
           ResourceRecords:
-            - 1 ASPMX.L.GOOGLE.COM.
-            - 5 ALT1.ASPMX.L.GOOGLE.COM.
-            - 5 ALT2.ASPMX.L.GOOGLE.COM.
-            - 10 ASPMX2.GOOGLEMAIL.COM.
-            - 10 ASPMX3.GOOGLEMAIL.COM.
+            - 1 smtp.google.com.
           TTL: "3600"
           Type: MX
         - Name: !Sub _domainconnect.${Domain}