Remove unnecessary/incorrect bind

lib/runtime/dart/_operations.js

Index: lib/runtime/dart/_operations.js
diff --git a/lib/runtime/dart/_operations.js b/lib/runtime/dart/_operations.js
index 3b799250a065d763e45544c16a5c9c6dc45dfd0f..edce6cdf8490941f350c31a285f5d8a11af5ac0a 100644
--- a/lib/runtime/dart/_operations.js
+++ b/lib/runtime/dart/_operations.js
@@ -45,13 +45,7 @@ dart_library.library('dart/_operations', null, /* Imports */[
     // Also, do we want an NSM on regular JS objects?
     // See: https://github.com/dart-lang/dev_compiler/issues/169
     let result = obj[field];
-
-    // TODO(vsm): Check this more robustly.

[vsm, 2015/11/30 22:21:30]

The method tearoffs should be caught in line 40 above.  I think this code might
be a leftover from before we had method metadata.

It never appears to hit in our tests or in Angular.

-    if (typeof result == "function" && !hasOwnProperty.call(obj, field)) {
-      // This appears to be a method tearoff.  Bind this.
-      return result.bind(obj);
-    }
-        return result;
+    return result;
   }
   exports.dload = dload;