Getting IOTA coins out of Bitfinex causes more problems for users. IOTA is in a stage that not all payments are immediately processed; they can remain on the tangle for some time before being picked up and - if unlucky - not be processed at all. Rebroadcasting and resending usually do the trick but in case of BItfinex, this requires Bitfinex to take action. And I think that is were the trouble rests. It is probably hard for Bitfinex to handle this beta behaviour of the IOTA network.
I guess you just have to wait a bit more and try to get the attention of Bitfinex to have a look at your issue.
A few days ago, I updated to the 2.3.1. wallet, chose the BItfinex node for a connection (the new 2.3.1. wallet offers this choice on first start up), withdrew from Bitfinex and 30 seconds after the usual 1 minute withdrawal pauze for Bitfinex to process the payment (30 seconds !!) my payment was in my IOTA wallet and confirmed. I think the node that you connect to, makes a lot of difference when sending a payment. If possible, keeping the payment in the same tangle is probably key for now (especially Bitfinex related payments).
RE: HELP where are my IOTA (MIOTA)