cleanup sdbus CAMELCASE define

The transition from 4bc1c2be9a74e5d7651e1438ad32c6afe6e81244 is
complete so clean up the old defines.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I85cde2d7a6962a3858cd24ea6d510cf8e0429ade
diff --git a/dump-extensions/openpower-dumps/resource_dump_entry.hpp b/dump-extensions/openpower-dumps/resource_dump_entry.hpp
index 783ec94..d1209ca 100644
--- a/dump-extensions/openpower-dumps/resource_dump_entry.hpp
+++ b/dump-extensions/openpower-dumps/resource_dump_entry.hpp
@@ -8,10 +8,6 @@
 
 #include <chrono>
 
-#ifndef SDBUSPP_NEW_CAMELCASE
-#define vspString vSPString
-#endif
-
 namespace openpower
 {
 namespace dump