sdbusplus: remove deprecated variant_ns

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I8ae0323c7eabb6c0cde2126b07a7396b4e3e17ea
diff --git a/functor.hpp b/functor.hpp
index d00ec48..0c328d9 100644
--- a/functor.hpp
+++ b/functor.hpp
@@ -227,8 +227,7 @@
             return false;
         }
 
-        return _condition(std::forward<T>(
-            sdbusplus::message::variant_ns::get<T>(it->second)));
+        return _condition(std::forward<T>(std::get<T>(it->second)));
     }
 
   private:
@@ -354,8 +353,7 @@
     {
         sdbusplus::message::variant<T> value;
         msg.read(value);
-        return _condition(
-            std::forward<T>(sdbusplus::message::variant_ns::get<T>(value)));
+        return _condition(std::forward<T>(std::get<T>(value)));
     }
 
     /** @brief Retrieve a property value from inventory and test it.
@@ -369,7 +367,7 @@
         if (_getProperty)
         {
             auto variant = _getProperty(mgr);
-            auto value = sdbusplus::message::variant_ns::get<T>(variant);
+            auto value = std::get<T>(variant);
             return _condition(std::forward<T>(value));
         }
         return false;