Update servers_v7.json

This server has a modification and it violates mindustry global list rules

Author: 0-Entity-0

servers_v7.json

@@ -14,7 +14,6 @@
       "194.164.245.218:6570",
       "194.164.245.218:6571",
       "194.164.245.218:6572",
-      "194.164.245.218:6573",
       "194.164.245.218:6574",
       "194.164.245.218:6575",
       "194.164.245.218:6576"