Remove registration.hpp and api.h

They are deprecated.

Change-Id: Ia796a82814efb7bc4d796623c716833e000118bf
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/storagecommands.cpp b/src/storagecommands.cpp
index 9c9b8ba..33e4611 100644
--- a/src/storagecommands.cpp
+++ b/src/storagecommands.cpp
@@ -14,12 +14,11 @@
 // limitations under the License.
 */
 
-#include <ipmid/api.h>
-
 #include <boost/container/flat_map.hpp>
 #include <boost/process.hpp>
 #include <commandutils.hpp>
 #include <iostream>
+#include <ipmid/api.hpp>
 #include <phosphor-ipmi-host/selutility.hpp>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/message/types.hpp>