Remove more cruft.

common/modules/base.jsm

@@ -547,16 +547,9 @@ function curry(fn, length, self, acc) {
     return curried;
 }
 
-if (curry.bind)
+var bind = function bind(meth, self, ...args)
-    var bind = function bind(meth, self, ...args) let (func = callable(meth) ? meth : self[meth])
+    let (func = callable(meth) ? meth : self[meth])
         func.bind.apply(func, [self].concat(args));
-else
-    var bind = function bind(func, self, ...args) {
-        if (!callable(func))
-            func = self[func];
-
-        return function bound(...args2) func.apply(self, args.concat(args2));
-    };
 
 /**
  * Returns true if both arguments are functions and

common/modules/template.jsm

@@ -263,30 +263,12 @@ var Template = Module("Template", {
         })(), this[help ? "HelpLink" : "helpLink"]);
     },
 
-    // Fixes some strange stack rewinds on NS_ERROR_OUT_OF_MEMORY
-    // exceptions that we can't catch.
-    stringify: function stringify(arg) {
-        if (!callable(arg))
-            return String(arg);
-
-        try {
-            this._sandbox.arg = arg;
-            return Cu.evalInSandbox("String(arg)", this._sandbox);
-        }
-        finally {
-            this._sandbox.arg = null;
-        }
-    },
-
-    _sandbox: Class.Memoize(() => Cu.Sandbox(Cu.getGlobalForObject(global),
-                                             { wantXrays: false })),
-
     // if "processStrings" is true, any passed strings will be surrounded by " and
     // any line breaks are displayed as \n
     highlight: function highlight(arg, processStrings, clip, bw) {
         // some objects like window.JSON or getBrowsers()._browsers need the try/catch
         try {
-            let str = this.stringify(arg);
+            let str = String(arg);
             if (clip)
                 str = util.clip(str, clip);
             switch (arg == null ? "undefined" : typeof arg) {