Don't double escape focus spec links.

- QueryString already escapes parameter values, no need to escape when
  passing them in from HtmlReporter.

[finish #29578495]

src/html/HtmlReporter.js

@@ -278,7 +278,7 @@ jasmineRequire.HtmlReporter = function(j$) {
     }
 
     function specHref(result) {
-      return addToExistingQueryString('spec', encodeURIComponent(result.fullName));
+      return addToExistingQueryString('spec', result.fullName);
     }
 
     function defaultQueryString(key, value) {