fix(StorageRent): remove noop revokeRole

[horsefacts]

Motivation

This line in the StorageRent constructor is a no-op: msg.sender is not ever granted the DEFAULT_ADMIN_ROLE, so revoking it here does nothing.

Change Summary

Remove the no-op line.

Merge Checklist

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• The PR title adheres to the conventional commits standard
• The PR has been tagged with change type label(s) (i.e. documentation, feature, bugfix, or chore)
• The PR's changes adhere to all the requirements in the contribution guidelines
• This PR does not require changes to the Farcaster protocol

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PR-Codex overview

This PR focuses on granting the TREASURER_ROLE to the _initialTreasurer and revoking the DEFAULT_ADMIN_ROLE from msg.sender.

Detailed summary

• Grant the TREASURER_ROLE to the _initialTreasurer.
• Revoke the DEFAULT_ADMIN_ROLE from msg.sender.
• Refresh the price.

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[github-actions]

Coverage after merging horsefacts/revoke-role-noop into main will be

98.13%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
Bundler.sol	100%	100%	100%	100%
FnameResolver.sol	96.30%	75%	100%	100%	122
IdRegistry.sol	100%	100%	100%	100%
KeyRegistry.sol	100%	100%	100%	100%
StorageRent.sol	98.90%	98.48%	100%	98.96%	530, 532
src/lib
TransferHelper.sol	0%	0%	0%	0%	15, 15, 15, 25–26, 26, 26