Fix update.sh to remove darwin-arm64

Remove darwin-arm64 so that it can be overwritten during the update.

Test: update.sh 8484286
Change-Id: I8fcc5d2d69124e4346ad1d41277d249c88048022
1 file changed
tree: 5a77e9860f12bcddec100fbc7c6edcd88bd1eeb8
  1. darwin-arm64/
  2. darwin-x86/
  3. linux-x86/
  4. BUILD.bazel
  5. manifest.xml
  6. update.sh