Remove test summary reports

[albertteoh]

Which problem is this PR solving?

• Resolves [Bug] Test reports don't seem to work #5114

Description of the changes

• We had a go at using a test summary reporter github action, but it appeared to lack sufficient support for "unexpected" test failures such as panics, while also making it harder to manually inspect test log output.
• The original log output still satisfies our requirements, as it is still easy to search through to identify the failing test.

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (adbdb2d) 95.59% compared to head (5675e49) 95.60%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5126      +/-   ##
==========================================
+ Coverage   95.59%   95.60%   +0.01%     
==========================================
  Files         322      322              
  Lines       18454    18454              
==========================================
+ Hits        17641    17643       +2     
+ Misses        653      651       -2     
  Partials      160      160              

Flag	Coverage Δ
cassandra-3.x	25.58% <ø> (ø)
cassandra-4.x	25.58% <ø> (ø)
elasticsearch-5.x	19.87% <ø> (ø)
elasticsearch-6.x	19.87% <ø> (+0.01%)	⬆️
elasticsearch-7.x	19.99% <ø> (ø)
elasticsearch-8.x	20.09% <ø> (ø)
grpc-badger	19.51% <ø> (ø)
kafka	14.09% <ø> (ø)
opensearch-1.x	19.99% <ø> (ø)
opensearch-2.x	19.99% <ø> (-0.02%)	⬇️
unittests	93.29% <ø> (+0.01%)	⬆️

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[yurishkuro]

do we still need this?

[albertteoh]

Nope, good catch; thanks! Removed -json flag in: 5675e49

[albertteoh]

Note the test is failing on "Download and extract artifacts" but this should no longer exist once this PR is merged into main.

[yurishkuro]

Thanks!