docs: fix deleteCookie description

[edimitchel]

🔗 Linked issue

No issue related, very small issue I spot by diving in the code.

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

The description was wrong on deleteCookie function

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

Merging #487 (5f6efb3) into main (7fc1d8b) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #487   +/-   ##
=======================================
  Coverage   82.79%   82.79%           
=======================================
  Files          31       31           
  Lines        3424     3424           
  Branches      514      514           
=======================================
  Hits         2835     2835           
  Misses        589      589           

Files Changed	Coverage Δ
src/utils/cookie.ts	93.78% <100.00%> (ø)

[pi0]

Thanks!