Remove toolchain/go from the clang-tools manifest

This project is not needed here.  It also breaks mirror manifests
because mirror/manifest project doesn't include toolchain/go.

Test: repo init with the new manifest.
Change-Id: I833cb06d9ef70bd07cfe765cca86e155b475fab4
1 file changed
tree: b6cbf84247fa7529e90eeec74d3d1093e6d570ee
  1. GLOBAL-PREUPLOAD.cfg
  2. default.xml