Simple Fees - HAPI tests for Crypto Service - CryptoDeleteAllowance

Implement HAPI tests suite validating Simple Fees behaviour for Crypto Service - CryptoDeleteAllowance transaction under HIP-1261. The suite should cover positive, negative and corner cases, exercising different key shapes, signature patterns and extras (e.g. additional signatures, keys, etc.) to confirm that fee calculation, charging in USD and error handling follow the new Simple Fees logic and requirements.

Start by locating the existing HAPI tests for the CryptoDeleteAllowance transaction and the Simple Fees requirements under HIP-1261. Add coverage for positive, negative, and corner cases involving key shapes, signature patterns, and extras, then verify fee calculation, USD charging, and error handling against the stated requirements.

Written by the indexing model from the issue text.