[bb] batch: don't say it is suitable for scripts
[bb] batch: don't say it is suitable for scripts

Subcommands with -json are also suitable for scripts.

Change-Id: I5e17eb6a0c425869646d2c15044dea7530b38410
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/1558890
Auto-Submit: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>
Commit-Queue: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@chromium.org>
Reviewed-by: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@chromium.org>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go