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

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I4caefe2492f88886ed485204fc347b71efa4bc5e
diff --git a/version.cpp b/version.cpp
index 59d40da..f7471c2 100644
--- a/version.cpp
+++ b/version.cpp
@@ -145,7 +145,7 @@
 void Version::updateDeleteInterface(sdbusplus::message::message& msg)
 {
     std::string interface, chassisState;
-    std::map<std::string, sdbusplus::message::variant<std::string>> properties;
+    std::map<std::string, std::variant<std::string>> properties;
 
     msg.read(interface, properties);