PLT-1900 removing lang from preview and making spanish beta

web/static/i18n/en.json

@@ -1126,7 +1126,6 @@
   "user.settings.advance.enabled": "enabled",
   "user.settings.advance.markdown_preview": "Show markdown preview option in message input box",
   "user.settings.advance.embed_preview": "Show preview snippet of links below message",
-  "user.settings.advance.loc_preview": "Show user language in display settings",
   "user.settings.advance.sendDesc": "If enabled 'Enter' inserts a new line and 'Ctrl + Enter' submits the message.",
   "user.settings.advance.preReleaseDesc": "Check any pre-released features you'd like to preview.  You may also need to refresh the page before the setting will take effect.",
   "user.settings.advance.title": "Advanced Settings",

web/static/i18n/es.json

@@ -1050,7 +1050,6 @@
   "user.settings.advance.enabled": "habilitada(s)",
   "user.settings.advance.feature": " Característica ",
   "user.settings.advance.features": " Características ",
-  "user.settings.advance.loc_preview": "Mostrar el idioma del usuario en la configuración de visualización",
   "user.settings.advance.markdown_preview": "Mostrar la previsualización de mensajes escritos con markdown",
   "user.settings.advance.off": "Encendido",
   "user.settings.advance.on": "Apagado",