Remove usage of InterceptorsPreview feature after updating to 8.0 RC2 SDK

[mthalman]

Once the runtime repo has been updated to use 8.0 RC2 SDK, the usage of the InterceptorsPreview feature can be removed from Microsoft.Extensions. See the changes in #92247 that indicate what needs to be removed.

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Issue Details

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Once the runtime repo has been updated to use 8.0 RC2 SDK, the usage of the InterceptorsPreview feature can be removed from Microsoft.Extensions. See the changes in #92247 that indicate what needs to be removed.

Author:	mthalman
Assignees:	-
Labels:	untriaged, area-Extensions-Configuration, needs-area-label
Milestone:	-

[ericstj]

Marked this as a tracking issue to remind us to cleanup the source. This isn't blocking release and these settings don't leak to customers in the product, but would be nice to clean up.