sdbusplus: remove deprecated variant_ns

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ideff9c2a6d5be16fd123a40a0878cf09f8b3daa8
diff --git a/inc/post_code.hpp b/inc/post_code.hpp
index e03358f..f461798 100644
--- a/inc/post_code.hpp
+++ b/inc/post_code.hpp
@@ -82,8 +82,7 @@
                     if (valPropMap != msgData.end())
                     {
                         this->savePostCodes(
-                            sdbusplus::message::variant_ns::get<uint64_t>(
-                                valPropMap->second));
+                            std::get<uint64_t>(valPropMap->second));
                     }
                 }
             }),
@@ -105,8 +104,7 @@
                     {
                         StateServer::Host::HostState currentHostState =
                             StateServer::Host::convertHostStateFromString(
-                                sdbusplus::message::variant_ns::get<
-                                    std::string>(valPropMap->second));
+                                std::get<std::string>(valPropMap->second));
                         if (currentHostState ==
                             StateServer::Host::HostState::Off)
                         {