Comment out placeholder example code in user-js and user-css

js/options/user-css.js

@@ -45,7 +45,7 @@ var update_textarea = function() {
     textarea.text("/* "+_("Enter here your own CSS rules...")+" */\n" +
                   "/* "+_("If you want to make a redistributable style, be sure to\nhave a Yotsuba B theme selected.")+" */\n" +
                   "/* "+_("You can include CSS files from remote servers, for example:")+" */\n" +
-                  '@import "http://example.com/style.css";');
+                  '/* @import "https://example.com/style.css"; */');
   }
   else {
     textarea.text(localStorage.user_css);

js/options/user-js.js

@@ -54,7 +54,7 @@ var update_textarea = function() {
     textarea.text("/* "+_("Enter here your own Javascript code...")+" */\n" +
                   "/* "+_("Have a backup of your storage somewhere, as messing here\nmay render you this website unusable.")+" */\n" +
                   "/* "+_("You can include JS files from remote servers, for example:")+" */\n" +
-                  'load_js("http://example.com/script.js");');
+                  '/* load_js("https://example.com/script.js"); */');
   }
   else {
     textarea.text(localStorage.user_js);