Remove CNAME record from mail configuration

Removed CNAME record for domain configuration.

domains/mail.michaelpetschel.json

@@ -0,0 +1,18 @@
+{
+  "owner": {
+    "username": "michaelpetschel",
+    "email": "michealrp13@gmail.com"
+  },
+  "records": {
+    "TXT": [
+      "verification-code-site-App_lark=FVgNtgnIkwi76IaIhXiQ",
+      "v=spf1 +include:spf.onlarksuite.com -all"
+    ],
+    "MX": [
+      { "target": "mx1.larksuite.com", "priority": 1 },
+      { "target": "mx2.larksuite.com", "priority": 5 },
+      { "target": "mx3.larksuite.com", "priority": 10 }
+    ]
+  },
+  "proxied": true
+}