Revert "show more link jumps problem (#8501)" (#8513)

This reverts commit c7a2355.

Author: lyndaidaii

src/NuGetGallery/Scripts/gallery/page-display-package.js

@@ -67,7 +67,6 @@ $(function () {
         $("#show-readme-more").click(function (e) {
             showLess.collapse("toggle");
             e.preventDefault();
-            return false;
         });
         showLess.on('hide.bs.collapse', function (e) {
             e.stopPropagation();