Remove title from site.yml

To actually use `view.site` translation strings in the Panel.

site/blueprints/site.yml

@@ -1,6 +1,4 @@
-# The site blueprint must have a title, the title may be different from the file name
 # The `site.yml` blueprint defines the look of the start page (Dashboard) of the Panel.
-title: Site
 
 # The site blueprint usually provides easy access to all main pages of the site.
 # In this example blueprint, we also show subpages of the `photography` and `notes` pages.