remove the build timeouts

the defaults in tempest will be set to 1s in a related change,
so we can remove these.

Change-Id: I05d8b4f08614fdf92611e3ff34d124fe918bd457
Depends-On: If8332d4be8515ac574cbbf4e00cbe0a75b6ebc5d
Merge "remove the build timeouts"