Camera: Remove 3 processed streams from streamUseCase combinations

For LIMITED device level, the maximum number of processed streams
is 2.

To make the stream use case mandatory combinations consistent with
LIMITED device level, remove the mandatory combinations with 3 processed
streams.

This is a doc update only.

Test: Build and read doc
Bug: 266436267
Change-Id: I83aa6858bb80056dc78d7eeadd0083f8e8caf2e9