Revert "Add link on recently-departed Samachan to proposed move to SushiChan."

This reverts commit 60976ccde9c5a1113cf18ab2613b74f46c055241.

src/Miscellaneous/PSA.coffee

@@ -7,13 +7,3 @@ PSA =
     el = $.el 'div', {className: 'fcx-announcement'}, announcement
     $.onExists doc, '.boardBanner', (banner) ->
       $.after banner, el
-
-  site: ->
-    if location.hostname is 'samachan.org'
-      $.onExists doc, '.navbar', (navbar) ->
-        link = $.el 'a',
-          href: 'https://sushigirl.us/yakuza/res/776.html'
-          target: '_blank'
-          rel: 'noopener'
-          textContent: 'Looking for a new home? Some users are regrouping on SushiChan. (a message from 4chan X)'
-        $.add navbar, [$.el('br'), link]

src/main/Main.coffee

@@ -125,8 +125,6 @@ Main =
         for key, val of Conf
           Conf[key] = items[key] ? val
 
-        try
-          PSA.site()
         Site.init Main.initFeatures
 
   upgrade: (items) ->