Revert "Add detonate method for firework entities. Adds BUKKIT-4538"

This reverts commit b71c7a23fcf757c5cf5274bf3616aaf6a2f23fd4.
Revert "Add new fishing enchants. Fixes BUKKIT-5035"

This reverts commit 117d607c2ab28fcc69dbfca94dabe0b487d9c4a0.