Remove the  Next-Page and Previous-Page buttons from the toolbar.

Move the actions to the View menu.
Also move the Last Page and First Page to the View menu.

https://bugzilla.gnome.org/show_bug.cgi?id=732289
Remove unused ev_toolbar_create_button and ev_toolbar_create_button_group

https://bugzilla.gnome.org/show_bug.cgi?id=732289