Revert "Change linux_chromium_chromeos_msan_rel_ng to blocking on auto roll"

This reverts commit e412e643.

Reason for revert: builder takes too long on CQ

Original change's description:
> Change linux_chromium_chromeos_msan_rel_ng to blocking on auto roll
>
> Bug: v8:12755
> Change-Id: I7c693c07640fd5952047666063f23b4be77692bd
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3644954
> Commit-Queue: Almothana Athamneh <almuthanna@chromium.org>
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Auto-Submit: Almothana Athamneh <almuthanna@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#80590}

Bug: v8:12755
Change-Id: I371c4ebbfc9dc9a0e806653c6c819b0eb29e5228
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3644962
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Almothana Athamneh <almuthanna@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#80610}

tools/release/auto_roll.py

@@ -12,7 +12,8 @@ from common_includes import *
 ROLL_SUMMARY = ("Summary of changes available at:\n"
                 "https://chromium.googlesource.com/v8/v8/+log/%s..%s")
 
-ISSUE_MSG = ("""Please follow these instructions for assigning/CC'ing issues:
+ISSUE_MSG = (
+"""Please follow these instructions for assigning/CC'ing issues:
 https://v8.dev/docs/triage-issues
 
 Please close rolling in case of a roll revert:
@@ -20,7 +21,6 @@ https://v8-roll.appspot.com/
 This only works with a Google account.
 
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux-blink-rel
-CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_chromium_chromeos_msan_rel_ng
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_optional_gpu_tests_rel
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:mac_optional_gpu_tests_rel
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:win_optional_gpu_tests_rel

tools/release/test_scripts.py

@@ -534,7 +534,6 @@ https://v8-roll.appspot.com/
 This only works with a Google account.
 
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux-blink-rel
-CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_chromium_chromeos_msan_rel_ng
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_optional_gpu_tests_rel
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:mac_optional_gpu_tests_rel
 CQ_INCLUDE_TRYBOTS=luci.chromium.try:win_optional_gpu_tests_rel