Follow up removal of CadenceBlocklist init

[sisyphusSmiling]

Description

• Removes the CadenceBlocklist initialization method from FlowEVMBridgeConfig

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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

All modified and coverable lines are covered by tests ✅

Project coverage is 86.63%. Comparing base (02aab3f) to head (28c77e8).
Report is 186 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #140      +/-   ##
==========================================
+ Coverage   86.19%   86.63%   +0.44%     
==========================================
  Files          18       18              
  Lines         884      973      +89     
==========================================
+ Hits          762      843      +81     
- Misses        122      130       +8     

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