Removing the personal icon, which was only a placeholder.

This icon should never show up: the avatar of the personal space should show up instead.

If something goes wrong and correct avatar fails to show, the systems falls back to the green android now, which is desired behaviour.

BUG: 15875652

Change-Id: I41beb4cbd5e707d27ef6d4cf35d02ec9cfa1b61d