meta-ethanolx: Remove 'phosphor-hwmon' app and its configuration files

As now 'entity-manager' and 'dbus-sensors' apps are used for the
sensor monitoring, 'phosphor-hwmon' app and its configuration files
are no longer needed.
Moreover if 'phosphor-hwmon' app is present alongside with the
'dbus-sensors' app, it would produce duplicate sensors on Redfish.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Change-Id: I251663a05a8447ad84e13855c02284930ba8d8f4
diff --git a/meta-amd/meta-ethanolx/conf/machine/ethanolx.conf b/meta-amd/meta-ethanolx/conf/machine/ethanolx.conf
index 7469c9a..7fb6e7e 100644
--- a/meta-amd/meta-ethanolx/conf/machine/ethanolx.conf
+++ b/meta-amd/meta-ethanolx/conf/machine/ethanolx.conf
@@ -24,6 +24,7 @@
 VIRTUAL-RUNTIME_skeleton_workbook = "${MACHINE}-config"
 VIRTUAL-RUNTIME_obmc-host-state-manager ?= "x86-power-control"
 VIRTUAL-RUNTIME_obmc-chassis-state-manager ?= "x86-power-control"
+VIRTUAL-RUNTIME_obmc-sensors-hwmon ?= "dbus-sensors"
 
 PREFERRED_PROVIDER_virtual/obmc-chassis-mgmt = "packagegroup-amd-apps"
 PREFERRED_PROVIDER_virtual/obmc-fan-mgmt = "packagegroup-amd-apps"