fault-monitor: remove locally generated errors

Switch fault-monitor to use Common.Errors instead of locally defined
ones.  This greatly simplifies the build structure and follows the
expected phosphor-logging patterns better.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Idb3473989c86b3a505f3c0a238735db6f3a4349e
diff --git a/subprojects/sdbusplus.wrap b/subprojects/sdbusplus.wrap
index d470130..7b076d0 100644
--- a/subprojects/sdbusplus.wrap
+++ b/subprojects/sdbusplus.wrap
@@ -1,3 +1,6 @@
 [wrap-git]
 url = https://github.com/openbmc/sdbusplus.git
 revision = HEAD
+
+[provide]
+sdbusplus = sdbusplus_dep