Remove timer in favor of sdeventplus/utility/timer

This removes the custom timer implementation and moves to the
sdeventplus utility. Functionally this should make no change

Tested:
    Built and run through the unit test suite.

Change-Id: Ib7ee90d489d5db72496aaaca91c3cf5490ad47d6
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/configure.ac b/configure.ac
index b60d032..f57bb02 100644
--- a/configure.ac
+++ b/configure.ac
@@ -170,5 +170,5 @@
 ])
 
 # Create configured output
-AC_CONFIG_FILES([Makefile test/Makefile sdevent/test/Makefile evdevpp/test/Makefile presence/test/Makefile])
+AC_CONFIG_FILES([Makefile sdevent/test/Makefile evdevpp/test/Makefile presence/test/Makefile])
 AC_OUTPUT