Deleted app but still getting related 404 errors

For various reasons I had to delete your app but I am still getting plenty of 404 errors (I’m using link juice to trap 404s) see below example. I’m assuming they relate to the button images from the app?

/wp-content/plugins/social-media-feather/synved-social/image/social/regular/32×32/pinterest.pn

wp-content/plugins/social-media-feather/synved-social/image/social/regular/64×64/tumblr.png

The page I need help with: [log in to see the link]