sdbusplus: remove deprecated variant_ns

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I6a3e7bb043371841838d241f2c4a9579d6ead4cb
diff --git a/src/snmp_trap.cpp b/src/snmp_trap.cpp
index eb2efd3..309b22e 100644
--- a/src/snmp_trap.cpp
+++ b/src/snmp_trap.cpp
@@ -33,15 +33,11 @@
         return;
     }
     auto& propMap = it->second;
-    auto errorID =
-        sdbusplus::message::variant_ns::get<uint32_t>(propMap.at("Id"));
-    auto timestamp =
-        sdbusplus::message::variant_ns::get<uint64_t>(propMap.at("Timestamp"));
-    auto sev = sdbusplus::message::variant_ns::get<std::string>(
-        propMap.at("Severity"));
+    auto errorID = std::get<uint32_t>(propMap.at("Id"));
+    auto timestamp = std::get<uint64_t>(propMap.at("Timestamp"));
+    auto sev = std::get<std::string>(propMap.at("Severity"));
     auto isev = static_cast<uint8_t>(Entry::convertLevelFromString(sev));
-    auto message =
-        sdbusplus::message::variant_ns::get<std::string>(propMap.at("Message"));
+    auto message = std::get<std::string>(propMap.at("Message"));
     try
     {
         sendTrap<OBMCErrorNotification>(errorID, timestamp, isev, message);