You can very easily add your social media channels in your profile settings. Go to:
Quick-LinksMY PROFILE
PROFILE
EDIT
Enter your social media links in the respective fields for Facebook, Twitter, Instagram, Google+ and YouTube and click SAVE.
If you have entered a valid URL, those social media icons with your profile links will appear next to your profile.
If you want to delete them, simply remove the link from the respective field and click SAVE CHANGES.