meta-phosphor: ipmi: drop channel.yaml

This file isn't used by ipmid anymore, so don't bother passing it in.
See ipmid change 41ac50530a for details.

Change-Id: I633262d0ffaeb407d89b041c9010c00709a288b6
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb b/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
index 4e69c2d..0654cfe 100644
--- a/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
+++ b/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
@@ -75,7 +75,6 @@
         SENSOR_YAML_GEN=${STAGING_DIR_NATIVE}${sensor_datadir}/sensor.yaml \
         INVSENSOR_YAML_GEN=${STAGING_DIR_NATIVE}${sensor_datadir}/invsensor.yaml \
         FRU_YAML_GEN=${STAGING_DIR_NATIVE}${config_datadir}/fru_config.yaml \
-        CHANNEL_YAML_GEN=${STAGING_DIR_NATIVE}${sensor_datadir}/channel.yaml \
         ENTITY_YAML_GEN=${STAGING_DIR_NATIVE}${sensor_datadir}/entity.yaml \
         POWER_READING_SENSOR=${datadir}/ipmi-providers/power_reading.json\
         "