Comment out dead code from Stephan Gerhard in tilelayer.js.
Comment out dead code from Stephan Gerhard in tilelayer.js.

htem/CATMAID,htem/CATMAID,fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID,fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID