[SEI-9449] Remove unused invariant checks

[jewei1997]

Describe your changes and provide context

pulling in sei-cosmos changes for removing unused invariant checks here sei-protocol/sei-cosmos#593

Testing performed to validate your change

N/A

[codecov]

Codecov Report

❌ Patch coverage is 95.55556% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.32%. Comparing base (9fe5721) to head (cf1c5fe).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
app/app.go	95.45%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2275      +/-   ##
==========================================
+ Coverage   60.24%   60.32%   +0.07%     
==========================================
  Files         311      311              
  Lines       30240    30273      +33     
==========================================
+ Hits        18219    18261      +42     
+ Misses      10734    10723      -11     
- Partials     1287     1289       +2     

Files with missing lines	Coverage Δ
app/upgrades.go	29.41% <100.00%> (ø)
app/app.go	67.04% <95.45%> (+1.56%)	⬆️

... and 3 files with indirect coverage changes

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[codchen]

Is this mutex change intended? Do we see race conditions without it?

[jewei1997]

yes without it there's race conditions in this test: TestSkipOptimisticProcessingOnUpgrade