Remove FAQ on choosing inference container referencing TGI

[jeffboudier]

Removed FAQ section about choosing the right inference container referencing TGI

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Note

Low Risk
Documentation-only deletion with no runtime or configuration impact.

Overview
Removes the FAQ entry “How to choose the right inference container for my use case?” from the SageMaker DLC availability doc, including the decision-tree image and notes linking to the inference toolkit and Hub tags for TGI/TEI.

Other FAQ items (finding container URIs and image_uris.retrieve) are unchanged.

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[HuggingFaceDocBuilderDev]

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