Remove generic controller settings API endpoint.

conf/gns3_server.conf

@@ -61,8 +61,6 @@ sparse_memory_support = True
 ghost_ios_support = True
 
 [IOU]
-; iouyap executable path, default: search in PATH
-;iouyap_path = iouyap
 ; Path of your .iourc file. If not provided, the file is searched in $HOME/.iourc
 iourc_path = /home/gns3/.iourc
 ; Validate if the iourc license file is correct. If you turn this off and your licence is invalid IOU will not start and no errors will be shown.