Remove EVMUtils & implementations

[sisyphusSmiling]

Closes: #78

Description

Refactors EVMUtils EVMAddress de/serialization in favor of new EVM methods.

---

For contributor use:

• Targeted PR against main branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 86.12%. Comparing base (02aab3f) to head (2a60d7e).
Report is 10 commits behind head on main.

Files	Patch %	Lines
cadence/contracts/bridge/FlowEVMBridgeConfig.cdc	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #84      +/-   ##
==========================================
- Coverage   86.19%   86.12%   -0.08%     
==========================================
  Files          18       17       -1     
  Lines         884      879       -5     
==========================================
- Hits          762      757       -5     
  Misses        122      122              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.