revert d7a2d35, unnecessary

keyboardNav triggers np's click handler
enable No Participation on np-nm.reddit.com or nm-np.reddit.com or www.np-nm.reddit.com
syntax and notification phrasing cleanup
3s delay on hide np/np over notifications
only NP when logged in

logged out inherently means no participation
fix adding "don't comment" warning on new comment reply textareas
warn if re-voting on thing
add noparticipation to extension manifests