removed unused peer filtering

[pompon0]

AbciQuery for filtering peers was not configured in sei-chain/app. This endpoint was exposed externally as well (I think) but it was useless, so imo we can just remove it.

[github-actions]

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Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Apr 10, 2026, 12:51 PM

[codecov]

Codecov Report

❌ Patch coverage is 84.37500% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.03%. Comparing base (107c8e7) to head (8c93df2).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
sei-tendermint/node/setup.go	77.27%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3225   +/-   ##
=======================================
  Coverage   59.03%   59.03%           
=======================================
  Files        2065     2065           
  Lines      169424   169379   -45     
=======================================
- Hits       100021    99995   -26     
+ Misses      60653    60635   -18     
+ Partials     8750     8749    -1     

Flag	Coverage Δ
sei-chain-pr	76.69% <84.37%> (?)
sei-db	70.41% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
sei-cosmos/baseapp/abci.go	61.79% <ø> (-0.14%)	⬇️
sei-cosmos/baseapp/baseapp.go	76.51% <ø> (ø)
sei-cosmos/baseapp/options.go	58.90% <ø> (-2.14%)	⬇️
sei-tendermint/config/config.go	70.27% <100.00%> (-0.07%)	⬇️
sei-tendermint/config/toml.go	55.00% <ø> (ø)
sei-tendermint/internal/p2p/router.go	90.00% <ø> (-0.20%)	⬇️
sei-tendermint/internal/p2p/routeroptions.go	81.25% <ø> (-3.75%)	⬇️
sei-tendermint/node/node.go	61.49% <ø> (+2.74%)	⬆️
sei-tendermint/node/setup.go	67.67% <77.27%> (+0.09%)	⬆️

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