siso: Disable remote timeout on linux-official bots

Remote linking for official builds takes much longer than usual.
e.g. 30 minutes for components_unittests

"no-remote-timeout" config allows disables remote timeout easily
for the specific builders.

The build speed improves further:
With remote linking, without remote timeout:
52 minutes at compile step
https://ci.chromium.org/ui/p/chromium/builders/try/linux-official/1543/overview

Only with remote linking:
74 minutes at compile step.
https://ci.chromium.org/ui/p/chromium/builders/try/linux-official/1534/overview

Cq-Include-Trybots: luci.chromium.try:linux-official
Bug: 427503493
Change-Id: I4b7bbcc706683ecae2ae756befaf80cf3df00275
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6678433
Auto-Submit: Junji Watanabe <jwata@google.com>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Commit-Queue: Junji Watanabe <jwata@google.com>
Reviewed-by: Fumitoshi Ukai <ukai@google.com>
Cr-Commit-Position: refs/heads/main@{#1480346}