How to show / hide social icons in header
Navigate to: Home >> Administration >> Appearance >> Settings (of zoor theme)
admin/appearance/settings/zoor
Under ZOOR THEME SETTINGS >> Header tab, you can show or hide these social icons from header region.
How to change Twitter, Facebook, Linkedin, Google+ page url
Under ZOOR THEME SETTINGS >> Header tab, you can show or hide these social icons individually. And you can also change its url.