remove redundant coma (#181)

yes mister json i will remove the offending outrageous coma, thank you, forgive me.

Signed-off-by: Settoshi Tonami <[email protected]>

public/.well-known/nostr.json

@@ -29,6 +29,6 @@
       "wss://nos.lol",
       "wss://relay.damus.io",
       "wss://purplerelay.com"
-    ],
+    ]
   }
 }