V8: Remove gcmole from lkgr config.
V8: Remove gcmole from lkgr config.

The bot started showing older problems recently. This might be connected to the clang upgrade. Skipping from lkgr until resolved.

NOTRY=true
TBR=yangguo@chromium.org, mstarzinger@chromium.org, svenpanne@chromium.org,

Review URL: https://codereview.chromium.org/493063002

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra