Updating yarn.lock to remove unnecessary package

[sam-glendenning]

Description

The package is functional-red-black-tree. This seemed to occur when I merged the package update to eslint. See the job output here: https://github.com/ral-facilities/scigateway/actions/runs/3135039062/jobs/5105040029

Testing instructions

The CI tests should pass

• Review code
• Check Actions build
• Review changes to test coverage
• {more steps here}

Agile board tracking

Hotfix

[codecov]

Codecov Report

Base: 96.74% // Head: 96.74% // No change to project coverage 👍

Coverage data is based on head (d9bc712) compared to base (faa080a).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1195   +/-   ##
========================================
  Coverage    96.74%   96.74%           
========================================
  Files           43       43           
  Lines         1598     1598           
  Branches       436      436           
========================================
  Hits          1546     1546           
  Misses          48       48           
  Partials         4        4           

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