Deprecate smei_sortdirection option

This CC feature has launched some weeks ago, so there is no longer the
need to manually enable it via this extension option.

Change-Id: Iab36980b3d2383cb240f571d8124e2539dd3552b
diff --git a/src/_locales/ca/messages.json b/src/_locales/ca/messages.json
index 9bf0e5c..f059aa8 100644
--- a/src/_locales/ca/messages.json
+++ b/src/_locales/ca/messages.json
@@ -87,10 +87,6 @@
     "message": "Afegeix l'opció per bloquejar diversos fils a la llista de fils de la Consola de la Comunitat.",
     "description": "Feature checkbox in the options page"
   },
-  "options_smei_sortdirection": {
-    "message": "Activa l'experiment <code class=\"help\" title=\"Aquest experiment et permet ordenar la llista de fils de la Consola de la Comunitat en ordre ascendent o descendent.\">SMEI_SORT_DIRECTION</code>.",
-    "description": "Feature checkbox in the options page"
-  },
   "options_enhancedannouncementsdot": {
     "message": "Mostra el punt que notifica que hi ha anuncis sense llegir d'una manera més prominent a la Consola de la Comunitat.",
     "description": "Feature checkbox in the options page"
diff --git a/src/_locales/en/messages.json b/src/_locales/en/messages.json
index b8fbd5b..d969b51 100644
--- a/src/_locales/en/messages.json
+++ b/src/_locales/en/messages.json
@@ -91,10 +91,6 @@
     "message": "Add the option to lock multiple threads from the Community Console thread list.",
     "description": "Feature checkbox in the options page"
   },
-  "options_smei_sortdirection": {
-    "message": "Enable the <code class=\"help\" title=\"This experiment lets you sort the Community Console thread list in ascending or descending order.\">SMEI_SORT_DIRECTION</code> experiment.",
-    "description": "Feature checkbox in the options page"
-  },
   "options_enhancedannouncementsdot": {
     "message": "Show the announcements notification dot more prominently in the Community Console.",
     "description": "Feature checkbox in the options page"
diff --git a/src/_locales/es/messages.json b/src/_locales/es/messages.json
index aec514e..596b5ab 100644
--- a/src/_locales/es/messages.json
+++ b/src/_locales/es/messages.json
@@ -87,10 +87,6 @@
     "message": "Añade la opción para bloquear varios hilos en la lista de hilos de la Consola de la Comunidad.",
     "description": "Feature checkbox in the options page"
   },
-  "options_smei_sortdirection": {
-    "message": "Activa el experimento <code class=\"help\" title=\"Este experimento te permite ordenar la lista de hilos de la Consola de la Comunidad en orden ascendente o descendente.\">SMEI_SORT_DIRECTION</code>.",
-    "description": "Feature checkbox in the options page"
-  },
   "options_enhancedannouncementsdot": {
     "message": "Muestra el punto que notifica que hay anuncios sin leer de manera más prominente en la Consola de la Comunidad.",
     "description": "Feature checkbox in the options page"
diff --git a/src/common/common.js b/src/common/common.js
index 5703dbc..db20409 100644
--- a/src/common/common.js
+++ b/src/common/common.js
@@ -68,10 +68,6 @@
     defaultValue: false,
     context: 'options',
   },
-  'smei_sortdirection': {
-    defaultValue: false,
-    context: 'options',
-  },
   'enhancedannouncementsdot': {
     defaultValue: false,
     context: 'options',
@@ -106,6 +102,10 @@
     defaultValue: false,
     context: 'deprecated',
   },
+  'smei_sortdirection': {
+    defaultValue: false,
+    context: 'deprecated',
+  },
 };
 
 const specialOptions = [
diff --git a/src/options/options.html b/src/options/options.html
index 8dc8129..f4f6651 100644
--- a/src/options/options.html
+++ b/src/options/options.html
@@ -33,7 +33,6 @@
         <div class="option"><input type="checkbox" id="ccforcehidedrawer"> <label for="ccforcehidedrawer" data-i18n="ccforcehidedrawer"></label></div>
         <div id="dragndrop-wrapper" class="option" hidden><input type="checkbox" id="ccdragndropfix"> <label for="ccdragndropfix" data-i18n="ccdragndropfix"></label></div>
         <div class="option"><input type="checkbox" id="batchlock"> <label for="batchlock" data-i18n="batchlock"></label> <span class="experimental-label" data-i18n="experimental_label"></span></div>
-        <div class="option"><input type="checkbox" id="smei_sortdirection"> <label for="smei_sortdirection" data-i18n="smei_sortdirection"></label> <span class="experimental-label" data-i18n="experimental_label"></span></div>
         <div class="option"><input type="checkbox" id="enhancedannouncementsdot"> <label for="enhancedannouncementsdot" data-i18n="enhancedannouncementsdot"></label></div>
         <div class="option"><input type="checkbox" id="repositionexpandthread"> <label for="repositionexpandthread" data-i18n="repositionexpandthread"></label> <span class="experimental-label" data-i18n="experimental_label"></span></div>
         <h4 data-i18n="profileindicator_header"></h4>