changed error checking method

Checking for the status code wasn't stable. Therefore checking for error
messages is better

sherlock/resources/data.json

@@ -1157,12 +1157,12 @@
     "username_claimed": "blue"
   },
   "Kick": {
-    "errorType": "status_code",
+    "errorType": "message",
+    "errorMsg": "Not Found",
     "url": "https://kick.com/{}",
     "urlMain": "https://kick.com/",
     "urlProbe": "https://kick.com/api/v2/channels/{}",
-    "username_claimed": "blue",
-    "username_unclaimed": "noonewouldeverusethis77"
+    "username_claimed": "blue"
   },
   "Kik": {
     "errorMsg": "The page you requested was not found",