AllSites: Fix punctuation for clear all data dialog.

Bug: 1077116
Change-Id: I6d146d6ece5cdb42cd626af426f07de82dc386a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2185415Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#766486}

chrome/app/settings_strings.grdp

@@ -1998,13 +1998,13 @@
     Clear all data
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_CLEAR_ALL_STORAGE_CONFIRMATION" desc="Text for the dialog that warns about clearing storage used by all sites.">
-    This will clear <ph name="TOTAL_USAGE">$1<ex>8 GB</ex></ph> of data stored by sites.
+    This will clear <ph name="TOTAL_USAGE">$1<ex>8 GB</ex></ph> of data stored by sites
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_CLEAR_ALL_STORAGE_CONFIRMATION_INSTALLED" desc="Text for the dialog that warns about clearing storage used by all sites, shown when there are installed apps.">
-    This will clear <ph name="TOTAL_USAGE">$1<ex>8 GB</ex></ph> of data stored by sites and installed apps.
+    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 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