remove comment

deps/streamsearch/sbmh.js

@@ -166,7 +166,7 @@ SBMH.prototype._sbmh_feed = function (data) {
     }
   }
 
-  // Lookbehind buffer is now empty (pos >= 0). We only need to check if the
+  // Lookbehind buffer is now empty. We only need to check if the
   // needle is in the haystack.
   pos = data.indexOf(needle, pos + this._bufpos)