GetSimulcastConfig had to be overloaded in order to not break downstream
client tests when the API was changed. Now that the downstream client
has been updated to use the new API, we can remove the overloaded
function.
Bug: webrtc:8630
Change-Id: I5d5d494e0579e60858d6efbb4715761394874b38
Reviewed-on: https://webrtc-review.googlesource.com/38882
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Commit-Queue: Seth Hampson <shampson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21590}
11b68463e3