Revert "clarify xds docs on resource deletion (#20523)" (#20568)
Revert "clarify xds docs on resource deletion (#20523)" (#20568)

This reverts commit 642a7b636adca581a6904a946f2cce17aa75696b.

Signed-off-by: Mark D. Roth <f8bfa21f32be4966fb4ed6a329fe0dc16bf1b1c7@google.com>
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy