fix: remove ecr viewer metrics

[mcmcgrath13]

PULL REQUEST

Summary

Spinoff/prep for #3077. Per discussion in standup, remove the metrics from the ecr viewer page. It isn't being used and also wasn't working correctly. This was the only place it was used, so also remove the helper and tests.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.16%. Comparing base (163cbd2) to head (d3c3b61).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3131      +/-   ##
==========================================
+ Coverage   87.03%   89.16%   +2.13%     
==========================================
  Files         220       83     -137     
  Lines       13674     4227    -9447     
  Branches      714      721       +7     
==========================================
- Hits        11901     3769    -8132     
+ Misses       1764      438    -1326     
- Partials        9       20      +11     

Flag	Coverage Δ
ecr-viewer	90.93% <ø> (-0.06%)	⬇️
fhir-converter	?
ingestion	?
message-parser	?
message-refiner	?
orchestration	85.67% <ø> (ø)
record-linkage	?
trigger-code-reference	?
validation	?

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Files with missing lines	Coverage Δ
...s/ecr-viewer/src/app/view-data/component-utils.tsx	100.00% <ø> (ø)
containers/ecr-viewer/src/app/view-data/page.tsx	90.69% <ø> (-0.80%)	⬇️

... and 141 files with indirect coverage changes