chore: remove double-quote-string-fixer

[gvatsal60]

Summary

Remove the double-quote-string-fixer hook from .pre-commit-config.yaml.

double-quote-string-fixer rewrites "x" to 'x', while ruff-format in this
same config rewrites 'x' back to "x". Both hooks modify the same files, so
pre-commit fails with files were modified by this hook and no committed
state can satisfy both — the check fails on every run, on any Python file.

This repository currently has no Python files, so the conflict is latent rather
than active. It becomes an immediate failure in any repo that does contain
Python code.

ruff-format is retained as the sole owner of quote style. It is a superset of
the removed hook and stays configurable via [tool.ruff.format] if single
quotes are ever preferred.

No source files are changed: the hook currently passes in every repo that has
Python code, so all existing code is already single-quoted and removing the
enforcement is a no-op.

Validation

• pre-commit run --all-files exits 0 with no hook modifying any file
• Hook inventory re-checked against origin/master

Checklist

• The change is well-scoped and ready for review
• I validated the touched files locally or with the available checks
• Any downstream impact is documented in the PR description

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Single-line deletion of the double-quote-string-fixer hook. The pre-commit/pre-commit-hooks block remains structurally valid YAML, ruff-format stays as the sole quote-style owner, and no remaining hook references the removed id.

Files Reviewed (1 files)

• .pre-commit-config.yaml

Notes: no inline comments posted. Findings outside the changed (deleted) line were not anchored to nearby context lines.

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