meta-ibm: witherspoon: drop channel.yaml

These files aren't used by ipmid anymore, so drop.  See host-ipmid
change 41ac50530a for details.

Change-Id: Ib9f01cdfa0a2afa013dd0b19d3602cadd2abab0a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
2 files changed