Revert "Add Slider."

This reverts commit 3218523240e41b053c7d4f14930130d921571d12.
Merge remote-tracking branch 'origin/anton/theme' into anton/theme

Conflicts:
	app/code/community/S2/Slider/Block/Adminhtml/Slider/Edit/Tab/Form.php
Merge remote-tracking branch 'origin/anton/theme' into anton/theme
Merge remote-tracking branch 'origin/anton/theme' into anton/theme

Conflicts:
	skin/frontend/base/default/js/s2/slider.js
Category, slider, banner, category load, manufacture slider (not work)