Proposal: Enable Snapshot voting delegation

Proposal on the forum: https://forum.opium.network/t/voting-delegation/282

Actions: Change Snapshot configuration

Current version: https://cloudflare-ipfs.com/ipfs/QmZh5sXkFXM1BcZ31bRmNPS15NVeVvDZ9jrxvzAqM1oaGp/

New version: https://cloudflare-ipfs.com/ipfs/QmX3P1Fy75kDfeF9bouAsxuEzgi65JF5nBLRMbhWK2hKyL

Change log:

• removed members from the configuration, as it doesn’t make any sense to keep it there and it does not affect anything
• enabled delegation voting strategy based on opium strategy