When otdel devname is run from the command line a similar algorithm to
otadd is performed to determine what collections are to be removed.
Otdel removes the master configuration file in OverTime/cfgs. This
file’s name is the device’s SNMP sysName with an extension of “.mst”. (See
above for the definition of this file).
Otdel removes devname.col from OverTime/cfgs.
Otdel then updates overtime.csv (see later) and the master HTML file,
index.html.