Xiond Version 18, remove defunct xiontestnet

Author: 2xburnt

testnets/_IBC/axelartestnet-xiontestnet.json

@@ -28,4 +28,4 @@
       }
     }
   ]
-}
+}

testnets/_IBC/injectivetestnet-xiontestnet.json

@@ -26,6 +26,21 @@
         "status": "live",
         "preferred": true
       }
+    },
+    {
+      "chain_1": {
+        "channel_id": "channel-11",
+        "port_id": "feeabs"
+      },
+      "chain_2": {
+        "channel_id": "channel-2",
+        "port_id": "icqhost"
+      },
+      "ordering": "unordered",
+      "version": "icq-1",
+      "tags": {
+        "status": "live"
+      }
     }
   ]
-}
+}