add rule to remove unused imports in ecr viewer

[BobanL]

PULL REQUEST

Summary

There were leftover unused dependencies that should be removed. Install eslint plugin to handle that rule

Related Issue

Additional Information

Anything else the review team should know?

Checklist

• If this code affects the other scrum team, have they been notified? (In Slack, as reviewers, etc.)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.94%. Comparing base (90c47d0) to head (92bee8d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1367   +/-   ##
=======================================
  Coverage   96.94%   96.94%           
=======================================
  Files          48       48           
  Lines        3048     3048           
=======================================
  Hits         2955     2955           
  Misses         93       93           

Flag	Coverage Δ
unit-tests	96.94% <ø> (ø)

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