Chore: clean up struct vector

[connortsui20]

Tracking Issue: #5028

This is just a cosmetic change

[codecov]

Codecov Report

❌ Patch coverage is 95.65217% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.24%. Comparing base (3991bb0) to head (b1d3df1).
⚠️ Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
vortex-vector/src/vector_mut.rs	88.88%	1 Missing ⚠️

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.