[Smart Lock, UI] Drop unused strings from explanation for Autosign in.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index d47f7f99efca2bd1135d9e35ff4aa2e65b8f78db..cf2d43bd8eaddfe3318118814470e6befc2f31ce 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -12226,12 +12226,6 @@ Some features may be unavailable.  Please check that the profile exists and you
       <message name="IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_TITLE" desc="The title of the auto-signin toast.">
         Signing in as <ph name="username">$1<ex>chef@google.com</ex></ph>
       </message>
-      <message name="IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_SMART_LOCK_WELCOME" desc="A warm welcome in the auto-signin toast appearing for users with Google Smart Lock enabled.">
-        <ph name="PASSWORD_MANAGER_BRAND">$1<ex>Google Smart Lock</ex></ph> remembers your passwords and signs you in to apps and sites automatically across devices.
-      </message>
-      <message name="IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_DEFAULT_WELCOME" desc="A warm welcome in the auto-signin toast appearing for users with Google Smart Lock disabled.">
-        <ph name="PASSWORD_MANAGER_BRAND">$1<ex>Google Chrome</ex></ph> remembers your passwords and signs you in to sites automatically on this device.
-      </message>
       <message name="IDS_AUTO_SIGNIN_FIRST_RUN_TITLE_MANY_DEVICES" desc="The title of the dialog during the autosign-in first run experience for the Chrome syncing users.">
         Sign in easily across devices
       </message>