remove zaar mainnet info (#760)

Author: JSHan94

mainnets/initia/chain.json

@@ -280,18 +280,6 @@
         "channel_id": "channel-69",
         "version": "{\"fee_version\":\"ics29-1\",\"app_version\":\"ics20-1\"}"
       },
-      {
-        "chain_id": "zaar-mainnet-1",
-        "port_id": "nft-transfer",
-        "channel_id": "channel-34",
-        "version": "ics721-1"
-      },
-      {
-        "chain_id": "zaar-mainnet-1",
-        "port_id": "transfer",
-        "channel_id": "channel-33",
-        "version": "ics20-1"
-      },
       {
         "chain_id": "ingnetwork-1",
         "port_id": "nft-transfer",