remove unused experimental::any

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If7ce8f2fcf23f199119b253e7932509d2a8f2be7
diff --git a/snmp_notification.hpp b/snmp_notification.hpp
index 374af97..fc554ac 100644
--- a/snmp_notification.hpp
+++ b/snmp_notification.hpp
@@ -33,14 +33,11 @@
 
 #include <sdbusplus/server.hpp>
 
-#include <experimental/any>
 #include <sstream>
 #include <string>
 #include <tuple>
 #include <vector>
 
-namespace any_ns = std::experimental;
-
 namespace phosphor
 {
 namespace network