Remove flawed design code from trap

[ramon-bernardo]

Pull Request Prelude

• [x] I have followed proper The Forgotten Server code styling.
• [x] I have read and understood the contribution guidelines before making this PR.
• [x] I am aware that this PR may be closed if the above-mentioned criteria are not fulfilled.

Changes Proposed

• Use onItemMoved instead of RemoveItem
• Trap close when moved to bp (if player is above of trap)