live_kit_server: Re-remove protocol submodule (#15317)

This PR re-removes the `protocol` submodule from `live_kit_server`,
since it was incorrectly added back in #15313.

Release Notes:

- N/A
This commit is contained in:
Marshall Bowers 2024-07-26 21:10:56 -04:00 committed by GitHub
parent 88653c4e3e
commit 380a99038b
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@ -1 +0,0 @@
Subproject commit 8645a138fb2ea72c4dab13e739b1f3c9ea29ac84