Revert "fix: persist and unify mint quote accounting fields on wallet and mint"

[a1denvalu3]

Reverts #1068

[codecov]

Codecov Report

❌ Patch coverage is 43.85965% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.39%. Comparing base (201d084) to head (135b946).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
cashu/mint/management_rpc/protos/management_pb2.py	3.33%	29 Missing ⚠️
cashu/core/base.py	87.50%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1069      +/-   ##
==========================================
- Coverage   75.42%   75.39%   -0.04%     
==========================================
  Files         111      111              
  Lines       12533    12496      -37     
==========================================
- Hits         9453     9421      -32     
+ Misses       3080     3075       -5     

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