Bug 1825620 - pt7 - now that we can restore no-op files, don't delete them when building new files r=ng DONTBUILD

Depends on D175692

Differential Revision: https://phabricator.services.mozilla.com/D175693

dom/media/webrtc/third_party_build/build_no_op_commits.sh

@@ -20,9 +20,6 @@ echo "MOZ_LIBWEBRTC_SRC: $MOZ_LIBWEBRTC_SRC"
 # * o pipefail: All stages of all pipes should succeed.
 set -eEuo pipefail
 
-# wipe no-op commit tracking files for new run
-rm -f $STATE_DIR/*.no-op-cherry-pick-msg
-
 CURRENT_DIR=`pwd`
 cd $MOZ_LIBWEBRTC_SRC