I'm offering a service to extract Bitcoin Gold from a 2fa Electrum Wallet, I'll take only 5% of the recovered BTG as a tip. The whole process it's very complicated and risky, yes, and requires a lot of time but it's doable
Complicated in so much that it requires you to restore your 2FA wallet with 2FA disabled, get the xprvs from the wallet file, find the addresses that contain coins, then collect redeem scripts, scriptpubkeys, vouts etc for the UTXOs controlled by those addresses and then manually create a transaction in BTG Core and then sign it with the appropriate private keys generated from the xprvs... Risky? Not really, the only risk involved is that you get your "fee" calculation wrong and spend more than you should on fees or you put the BTG address in wrong and send your coins to the wrong place 
If you screw anything else up, chances are that BTG Core will just reject your command with an error and you can try again.
I walked thomasanderson7 through this process on skype yesterday... took maybe an hour to demonstrate the process with one address. He then did the rest himself.
NOTE: If you're going to do it yourself, you need to have BTG Core downloaded, installed and fully synced.