Remove mention to "encrypt all" in people_handler comment

This comment should have been updated here
https://chromium-review.googlesource.com/c/chromium/src/+/2476637/9/chrome/browser/ui/webui/settings/people_handler.cc#b558

TBR=rushans@google.com

Bug: None
Change-Id: I8d83c0ba64a0af9ad61bb4795d1ac8efc349b84c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2541783
Commit-Queue: Victor Vianna <victorvianna@google.com>
Reviewed-by: Rushan Suleymanov <rushans@google.com>
Reviewed-by: Victor Vianna <victorvianna@google.com>
Cr-Commit-Position: refs/heads/master@{#828150}

chrome/browser/ui/webui/settings/people_handler.cc

@@ -546,7 +546,7 @@ void PeopleHandler::HandleSetEncryption(const base::ListValue* args) {
   if (service->GetUserSettings()->IsEncryptEverythingAllowed()) {
     ProfileMetrics::LogProfileSyncInfo(ProfileMetrics::SYNC_ENCRYPT);
   } else {
-    // Don't allow "encrypt all" if the SyncService doesn't allow it.
+    // Don't allow "set new passphrase" if the SyncService doesn't allow it.
     // The UI is hidden, but the user may have enabled it e.g. by fiddling with
     // the web inspector.
     configuration.set_new_passphrase = false;