Revert "Merge pull request #465 in ZP/z-push from bugfix/ZP-1155-ios-mail-with-z-push-preview-show to develop"
Revert "Merge pull request #465 in ZP/z-push from bugfix/ZP-1155-ios-mail-with-z-push-preview-show to develop"

This reverts commit a5ae12e27e20f9c4b66458aca0c41d8923a00a91, reversing
changes made to 3377622e87f9ff1570694cc3bedce1c0128f9f81.

ekacnet/z-push