fix: delete unused file inference-experience-dev-tester.sh

[SSRraymond]

Issue #, if available:

Description of changes:
Remove unused file inference-experience-dev-tester.sh

Testing done:

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[mufaddal-rohawala]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-slow-tests
• Commit ID: a5c215f
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[mufaddal-rohawala]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-notebook-tests
• Commit ID: a5c215f
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[mufaddal-rohawala]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-local-mode-tests
• Commit ID: a5c215f
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[mufaddal-rohawala]

AWS CodeBuild CI Report

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• Commit ID: a5c215f
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[mufaddal-rohawala]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-unit-tests
• Commit ID: a5c215f
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