Delete allan.json

Repo doesn't point to domain anymore

domains/allan.json

@@ -1,11 +0,0 @@
-{
-  "description": "Allan's personal website",
-  "repo": "https://github.com/abarriel",
-  "owner": {
-    "username": "abarriel",
-    "email": "abarriel@student.42.fr"
-  },
-  "record": {
-    "CNAME": "abarriel.github.io"
-  }
-}