sdbusplus: replace message::variant with std::variant

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I10ffd8f063fb92a1b9a227b607d1ac439a8ed18e
diff --git a/lpcsnoop/snoop_listen.hpp b/lpcsnoop/snoop_listen.hpp
index 27f8b31..1ff189d 100644
--- a/lpcsnoop/snoop_listen.hpp
+++ b/lpcsnoop/snoop_listen.hpp
@@ -74,8 +74,7 @@
                                       sdbusplus::message::message& m)
     {
         std::string messageBusName;
-        std::map<std::string, sdbusplus::message::variant<uint64_t>>
-            messageData;
+        std::map<std::string, std::variant<uint64_t>> messageData;
         constexpr char propertyKey[] = "Value";
 
         m.read(messageBusName, messageData);