[autotest] Remove [SHARD] global_afe_hostname from global_config

BUG=chromium:524678
TEST=None

Change-Id: I921ae94f8967de2b3cf3ba306782795a0f2a98ee
Reviewed-on: https://chromium-review.googlesource.com/297012
Commit-Ready: Mungyung Ryu <mkryu@google.com>
Tested-by: Mungyung Ryu <mkryu@google.com>
Reviewed-by: Dan Shi <dshi@chromium.org>
1 file changed