AllSites: Fix copy on clear all data dialog.

Update the copy on the warning about being signed out of sites.

Bug: 1062281
Change-Id: I2af8362ab3f002451e6f3e14349ed1ec575af18a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2106460Reviewed-by: Esmael Elmoslimany <aee@chromium.org>
Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751045}

chrome/app/settings_strings.grdp

@@ -2621,7 +2621,7 @@
     This will clear <ph name="TOTAL_USAGE">$1<ex>8 GB</ex></ph> of data stored by sites and installed apps.
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_CLEAR_ALL_STORAGE_SIGN_OUT" desc="Text for the dialog that warns about being signed out when clearing storage used by all sites.">
-    You'll be signed out of all sites, including in any open tabs.
+    You'll be signed out of all sites, including in open tabs.
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_COOKIE_REMOVE_DIALOG_TITLE" desc="Title of the dialog that warns about deleting all site data.">
     Clear site data