Drop deprecated has_contract_for_endpoint

[epenet]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.73%. Comparing base (4db7ca9) to head (831014b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1544      +/-   ##
==========================================
- Coverage   88.75%   88.73%   -0.03%     
==========================================
  Files          33       33              
  Lines        2134     2130       -4     
  Branches      218      218              
==========================================
- Hits         1894     1890       -4     
  Misses        175      175              
  Partials       65       65              

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