remove unneeded thread permissions

util/default.json

@@ -26,7 +26,7 @@
 			"display": 2
 		}
 	},
-	"defaultPermissions": "104019119168",
+	"defaultPermissions": "939904064",
 	"defaultSettings": {
 		"lang": "en",
 		"wiki": "https://en.wikipedia.org/w/"