fix(DB/creature_template): Remove Creature 621

[neifion-00000000]

Changes Proposed:

• Creature 621 is a (bad) duplicate of 620, which is a valid brute forced creature type
• It's also not in the game anywhere, presumably its initial entry was a mistake

Issues Addressed:

• Closes

SOURCE:

Tests Performed:

How to Test the Changes:

Known Issues and TODO List:

• [ ]
• [ ]

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[elthehablo]

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