Revert "Custom select: Escape weird characters in popup/dialog ID when they become hrefs. Fixes #5893."
Revert "Custom select: Escape weird characters in popup/dialog ID when they become hrefs. Fixes #5893."

This reverts commit f0b2417d4d8cbd84903fe9c1112a34b1ef13a039.

Conflicts:
	js/widgets/forms/select.custom.js

It is better to set the href to something valid rather than something that has escaped characters. The responsibility for correctly identifying elements based on a valid href goes to navigation/popup.

hinaloe/jqm-demo-ja,arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile,arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/jquery-mobile