I CAN'T UNFOLLOW PLAYER'S FROM MY PROFILE
Yes you can. (Sorry: YES YOU CAN.)
You can unfollow people you are following.
If there are unwanted people following you, you can block them.
I CAN'T IT JUST STUCKS . HOW I CAN POST PHOTO'S
lichess.org/@/nithilanthebrave/followingYou should be able to unfollow people following your account here.