remove 3 disconnected(?) domains

domains/arsh.json

@@ -1,9 +0,0 @@
-{
-  "owner": {
-    "username": "harshptl14",
-    "email": "harshptl714@gmail.com"
-  },
-  "records": {
-    "CNAME": "arshpatel.me"
-  }
-}

domains/dks3.json

@@ -1,8 +0,0 @@
-{
-    "owner": {
-        "username": "dikhyantsatpathy-ui"
-    },
-    "records": {
-        "CNAME": "portfolio-website-eight-rouge-77.vercel.app"
-    }
-}

domains/rain.json

@@ -1,11 +0,0 @@
-{
-  "owner": {
-    "username": "NINJACLUBREAL",
-    "email": "bee411769@gmail.com"
-  },
-  "records": {
-    "A": ["75.2.60.5"]
-    
-  },
-  "proxied": true
-}