[CHORE] Cut the two most spammy spans from RLS (#5234)

## Description of changes

Looking at the logs, these two spans can be dropped/coalesced to emit
fewer events from the RLS.

## Test plan

cargo clippy --all-targets -- -D clippy::all

## Migration plan

N/A

## Observability plan

Less noise in observability.

## Documentation Changes

N/A