Update usamakhalid.json

domains/usamakhalid.json

@@ -3,9 +3,9 @@
     "repo": "https://github.com/usama0155/portfolio",
     "owner": {
         "username": "usama0155",
-        "email": "[usamak5453@gmail.com]"
+        "email": "usamak5453@gmail.com"
     },
     "record": {
         "CNAME": "usama0155.github.io"
     }
-}
+}