Remove unused POST code D-Bus defines

The object path is no longer valid so better to remove it.

Signed-off-by: Jonathan Doman <jonathan.doman@intel.com>
Change-Id: Ifd980d1170a26e6b3049030c6fdbe7e559536042
diff --git a/include/oemcommands.hpp b/include/oemcommands.hpp
index 19d2bca..4e76fda 100644
--- a/include/oemcommands.hpp
+++ b/include/oemcommands.hpp
@@ -182,11 +182,6 @@
 static constexpr const char* bmcResetDisablesIntf =
     "xyz.openbmc_project.Control.ResetDisables";
 
-static constexpr const char* postCodesObjPath =
-    "/xyz/openbmc_project/State/Boot/PostCode";
-static constexpr const char* postCodesIntf =
-    "xyz.openbmc_project.State.Boot.PostCode";
-
 static constexpr const char* identifyLEDObjPath =
     "/xyz/openbmc_project/led/physical/identify";
 static constexpr const char* ledIntf = "xyz.openbmc_project.Led.Physical";