chore(coordinator): remove old migration

[cjcobb23]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 4 lines in your changes missing coverage. Please review.

Project coverage is 93.45%. Comparing base (c2a82fd) to head (2f3fdb1).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
contracts/coordinator/src/contract.rs	77.77%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #712      +/-   ##
==========================================
+ Coverage   93.43%   93.45%   +0.01%     
==========================================
  Files         234      233       -1     
  Lines       34900    34849      -51     
==========================================
- Hits        32610    32569      -41     
+ Misses       2290     2280      -10     

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