Revert "Enable guest/offline signin links in views login network error screen."

This reverts commit b048769fa41f8f2c0c04f5632d307852318e808b.

Reason for revert: chromium.memory cros msan

Original change's description:
> Enable guest/offline signin links in views login network error screen.
> 
> This CL also disables the LoginScreenLocalePolicyTest.LoginLocaleEnforcedByPolicy
> browser test. It seems to be related to a pre-existing bug: crbug/844572
> 
> Bug: 839593
> Change-Id: I022bf1603ba54386c3686aebd3868d6dee0cd993
> Reviewed-on: https://chromium-review.googlesource.com/1093881
> Commit-Queue: Quan Nguyen <[email protected]>
> Reviewed-by: Jacob Dufault <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#566197}

[email protected],[email protected]

Change-Id: I03db3d2a5389bced6efbda91219c020ba4f19c68
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 839593
Reviewed-on: https://chromium-review.googlesource.com/1098275
Reviewed-by: John Budorick <[email protected]>
Commit-Queue: John Budorick <[email protected]>
Cr-Commit-Position: refs/heads/master@{#566631}
5 files changed