Rename "New tab page" home page option to "Most visited pages"

Fixes: GNOME/epiphany#394
3 jobs for <span class="ref-name">rename-new-tab-page-option</span> in 18 minutes and 17 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #185837
flatpak

00:17:42

 
  Deploy
passed #185838
review

00:00:35

manual #185839
allowed to fail manual
stop_review