sdevent: Remove in favor of sdeventplus

This change removes the one off sd-event wrapper from the project and
uses the openbmc wide sdeventplus library.

Change-Id: I8e042f875d06082e15606c7191a8073974f93990
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/Makefile.am b/src/Makefile.am
index 55a2d06..e742d19 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,12 +18,14 @@
 
 phosphor_dbus_monitor_LDADD = \
 	$(SDBUSPLUS_LIBS) \
+	$(SDEVENTPLUS_LIBS) \
 	$(PHOSPHOR_DBUS_INTERFACES_LIBS) \
 	$(PHOSPHOR_LOGGING_LIBS) \
 	$(PHOSPHOR_SNMP_LIBS) \
 	-lstdc++fs
 phosphor_dbus_monitor_CXXFLAGS = \
 	$(SDBUSPLUS_CFLAGS) \
+	$(SDEVENTPLUS_CFLAGS) \
 	$(PHOSPHOR_DBUS_INTERFACES_CFLAGS) \
 	$(PHOSPHOR_LOGGING_CFLAGS) \
 	$(PHOSPHOR_SNMP_CFLAGS)