chore: removed dead code

Author: PoisonPhang

site/src/components/ChainVersions.svelte

@@ -2,12 +2,6 @@
 
 import versions from '../../../versions/versions.json'
 
-// const versions = {
-//   "union-testnet-4": ["v0.14.0", "v0.15.0", "v0.16.0", "v0.17.0"],
-//   "union-testnet-5": ["v0.18.0"],
-//   "union-testnet-6": ["v0.19.0"]
-// }
-
 export let chainId = 'union-testnet-4'
 export let genesis = false