[BEAM-12775] Remove GCS dataflow badinput runner test

[ryanthompson591]

Dataflow runner will now retry on 503 errors, so the E2E test that failed on 503 errors is now timing out.

This PR removes the test.

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ValidatesRunner compliance status (on master branch)

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---					---
Java
Python	---					---
XLang						---

Examples testing status on various runners

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---	---	---	---	---	---	---
Java	---		---	---	---	---	---
Python	---	---	---	---	---	---	---
XLang	---	---	---	---	---	---	---

Post-Commit SDK/Transform Integration Tests Status (on master branch)

Go	Java	Python

Pre-Commit Tests Status (on master branch)

---	Java	Python	Go	Website	Whitespace	Typescript
Non-portable
Portable	---			---	---	---

See .test-infra/jenkins/README for trigger phrase, status and link of all Jenkins jobs.

GitHub Actions Tests Status (on master branch)

See CI.md for more information about GitHub Actions CI.

[ryanthompson591]

R: @kevingg

[ryanthompson591]

R: @tvalentyn

[codecov]

Codecov Report

Merging #15350 (071fdc7) into master (b9b4c6e) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #15350      +/-   ##
==========================================
- Coverage   83.81%   83.80%   -0.02%     
==========================================
  Files         441      440       -1     
  Lines       59749    59795      +46     
==========================================
+ Hits        50081    50112      +31     
- Misses       9668     9683      +15     

Impacted Files	Coverage Δ
...ks/python/apache_beam/runners/worker/data_plane.py	87.70% <0.00%> (-2.90%)	⬇️
...pache_beam/runners/interactive/interactive_beam.py	75.53% <0.00%> (-1.07%)	⬇️
...runners/interactive/display/pcoll_visualization.py	85.26% <0.00%> (-0.53%)	⬇️
...eam/runners/interactive/interactive_environment.py	90.33% <0.00%> (-0.38%)	⬇️
...hon/apache_beam/runners/worker/bundle_processor.py	93.39% <0.00%> (-0.25%)	⬇️
setup.py	0.00% <0.00%> (ø)
sdks/python/apache_beam/io/avroio.py	60.60% <0.00%> (ø)
sdks/python/apache_beam/io/textio.py	97.07% <0.00%> (ø)
sdks/python/apache_beam/io/tfrecordio.py	93.39% <0.00%> (ø)
sdks/python/apache_beam/transforms/ptransform.py	93.54% <0.00%> (ø)
... and 8 more

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[nika-qubit]

LGTM

[ryanthompson591]

Can you merge this?