Remove mailing list subscription form

PHP is dead to me

css/main_dark.css

@@ -64,14 +64,8 @@ a.no-decoration:hover {
   text-decoration: none;
 }
 
-.subscribe-form input[type="submit"],
 .isso-postbox input[type="button"],
 .isso-postbox input[type="submit"] {
   color: black;
   filter: invert(90%);
 }
-
-.subscribe-form input[type="text"],
-.subscribe-form input[type="email"] {
-  background-color: #222 !important;
-}