Update config.json (#266542)

Author: security-alliance-bot

src/config.json

@@ -104845,7 +104845,6 @@
     "op.airdropalerts.onl",
     "ton.airdropalerts.onl",
     "zk.airdropalerts.onl",
-    "2z.airdropalerts.onl",
     "gtc.airdropalerts.onl",
     "mon.airdropalerts.onl",
     "blue.airdropalerts.onl",