Fixed overweight, removed undocumented critical bonus, fixed position update, aCalloc warnings

[csnv]

Pull Request Prelude

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

Changes Proposed

• Removed cloaking granting a critical bonus. This critical bonus is not documented and has no effect under normal circumstances.
• Hopefully fix the GIthub actions warnings about aCalloc once and for all.
• Fixed position not being correctly updated when user is already there.
• Fixed overweight not being correctly assigned in some circumstances.

Issues addressed: