Fix the release notes to remove the note about Automatic Dup Detection not working on Pg.
Fix the release notes to remove the note about Automatic Dup Detection
not working on Pg.

https://bugzilla.mozilla.org/show_bug.cgi?id=634144
dklawren/bugzilla,dylanwh/bugzilla,bugzilla/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,talatdayyan/bugzilla,dklawren/bugzilla,oyang/bugzilla,GNOME/bugzilla-gnome-org-upstream,edmorley/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,bugzilla/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,dylanwh/bugzilla,GNOME/bugzilla-gnome-org-upstream,GNOME/bugzilla-gnome-org-upstream,edmorley/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,edmorley/bugzilla,bugzilla/bugzilla,bugzilla/bugzilla,oyang/bugzilla,dylanwh/bugzilla,edmorley/bugzilla,talatdayyan/bugzilla,talatdayyan/bugzilla,talatdayyan/bugzilla,oyang/bugzilla,dylanwh/bugzilla,dklawren/bugzilla,talatdayyan/bugzilla,oyang/bugzilla,GNOME/bugzilla-gnome-org-upstream,dylanwh/bugzilla,GNOME/bugzilla-gnome-org-upstream,dklawren/bugzilla,dklawren/bugzilla,oyang/bugzilla,edmorley/bugzilla