Automatic merge from submit-queue (batch tested with PRs 50087, 39587, 50042, 50241, 49914)

convert default predicates to use the default

Builds on https://github.com/kubernetes/kubernetes/pull/50019 (lgtm'd already)

This converts the already default field selectors to use the default value.  I'll let CI point out the unit test failures for me to chase.

@kubernetes/sig-api-machinery-misc