Remove toolchain/benchmarks from the manifest

Bug: http://b/325154580

It's not used in the platform and it's contents are being deleted in ag/26172084.

Change-Id: I42cb871df03188bddaf29ce0796a0e1d3fe12449
Merged-In: I97bb6da690031d73b240b00f7f921ae6698eaea4
1 file changed
tree: 8149fc50982c84b2a5daef4598fa11db5851da1c
  1. default.xml
  2. GLOBAL-PREUPLOAD.cfg
  3. OWNERS