The heading of the announcement is misleading. They don't have ASX Approval to De-list, they only have approval to have a vote by shareholders to consider it. Currently that vote is by 'Ordinary Resolution' but I strongly suggest all minority shareholders contact the ASX and ASIC to request that this is formally done as a 'Special Resolution' as per the current Rules and Guidelines of ASIC and the ASX.
You can submit here:
https://www.asx.com.au/contact/customerFeedback.html#/feedback
Using this method gets a formal reference number from the ASX.
I wish everyone a wonderful Christmas and the best of luck!