test(support): remove support cucumber test

[AllanZhengYP]

Support service is not turned on by default for all the AWS account.
So remove it to make sure the integ test can be run on any account.
There's no customization to support service either, so no much
value with testing it.

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[codecov-io]

Codecov Report

Merging #1911 (f58ec34) into master (f2a47e8) will increase coverage by 0.52%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1911      +/-   ##
==========================================
+ Coverage   79.30%   79.83%   +0.52%     
==========================================
  Files         368      368              
  Lines       15132    15551     +419     
  Branches     3222     3367     +145     
==========================================
+ Hits        12001    12415     +414     
- Misses       3131     3136       +5     

Impacted Files	Coverage Δ
packages/util-waiter/src/utils/validate.ts	81.81% <0.00%> (-18.19%)	⬇️
lib/storage/src/data-chunk/readable-helper.ts	86.84% <0.00%> (-5.47%)	⬇️
packages/s3-request-presigner/src/getSignedUrl.ts	92.85% <0.00%> (-2.98%)	⬇️
packages/util-dynamodb/src/convertToAttr.ts	98.70% <0.00%> (-1.30%)	⬇️
packages/util-waiter/src/waiter.ts	100.00% <0.00%> (ø)
protocol_tests/aws-ec2/endpoints.ts	81.48% <0.00%> (ø)
protocol_tests/aws-json/endpoints.ts	81.48% <0.00%> (ø)
protocol_tests/aws-query/endpoints.ts	81.48% <0.00%> (ø)
packages/util-dynamodb/src/marshall.ts	100.00% <0.00%> (ø)
protocol_tests/aws-restxml/endpoints.ts	81.48% <0.00%> (ø)
... and 141 more

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[aws-sdk-js-automation]

AWS CodeBuild CI Report

• CodeBuild project: sdk-staging-test
• Commit ID: f58ec34
• Result: SUCCEEDED
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[github-actions]

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