Revert "Remove the SPKI fingerprint for auth.impulse.com from captive portals list"

This reverts commit 2b3cf454.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Remove the SPKI fingerprint for auth.impulse.com from captive portals list
> 
> Bug: 870038
> Change-Id: I856efd083382cb27f01ea37abbfcbb04941ec0c4
> Reviewed-on: https://chromium-review.googlesource.com/1176582
> Commit-Queue: Adrienne Porter Felt <felt@chromium.org>
> Reviewed-by: Adrienne Porter Felt <felt@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#593084}

TBR=felt@chromium.org,meacer@chromium.org

Change-Id: I0c158c192ebd88c3cd586da3fca7cd6963f594f4
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 870038
Reviewed-on: https://chromium-review.googlesource.com/1238375Reviewed-by: Adrienne Porter Felt <felt@chromium.org>
Commit-Queue: Adrienne Porter Felt <felt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593167}

chrome/browser/resources/ssl/ssl_error_assistant/ssl_error_assistant.asciipb

@@ -6,7 +6,7 @@
 # certificates. See chrome/browser/ssl/ssl_error_assistant.proto for the full
 # format.
 
-version_id: 6
+version_id: 5
 
 # https://captive-portal.badssl.com leaf.
 # This is a test certificate, always keep it at the top.
@@ -30,6 +30,12 @@ captive_portal_cert {
   sha256_hash: "sha256/m/nBiLhStttu1YmOz7Y3D2u1iB1dV2CbIfFa3R2YW5M="
 }
 
+# auth.impulse.com
+# https://crt.sh/?q=d92d97e4d17ce28a7c844f58b0d1cda44e604b959cff998435e01777777ce715
+captive_portal_cert {
+  sha256_hash: "sha256/8Iuf4xRbVCmCMQTJn3rxlglIO1IOKoyuSUgmXyfaIKs="
+}
+
 # beeline.ru
 # https://crt.sh/?q=e64aa319a108ce49931ac19bf32f838f8db7427150cf7a781af7d9ff76f75cac
 captive_portal_cert {