Update Sizzle: rewrite attributes handling to be simpler and more widespread when independent from jQuery. No changes to jQuery's attribute handling.

src/sizzle-jquery.js

@@ -1,6 +1,5 @@
 // Override sizzle attribute retrieval
 Sizzle.attr = jQuery.attr;
-Sizzle.selectors.attrMap = {};
 jQuery.find = Sizzle;
 jQuery.expr = Sizzle.selectors;
 jQuery.expr[":"] = jQuery.expr.filters;