Remove legacy hwmon application

phosphor-hwmon and the /xyz/openbmc_project/sensors namespace are
fully functional.

Change-Id: I42756f4246280cbfeeedebf6073ea301ce7b78be
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index f7c8422..4c47380 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "666be2aee1f4c2e123a6823e59c7d883709db89c"
+SRCREV ?= "efe5d2de3696f1fb462fac3a31e890a68b5995a0"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"