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/include/commandutils.hpp b/include/commandutils.hpp
index 30ed68a..3d42aeb 100644
--- a/include/commandutils.hpp
+++ b/include/commandutils.hpp
@@ -16,6 +16,7 @@
 
 #pragma once
 #include <iostream>
+#include <ipmid/api.hpp>
 #include <sdbusplus/bus.hpp>
 
 static constexpr bool debug = false;
diff --git a/include/sensorutils.hpp b/include/sensorutils.hpp
index ffd06a0..30fee66 100644
--- a/include/sensorutils.hpp
+++ b/include/sensorutils.hpp
@@ -15,10 +15,9 @@
 */
 
 #pragma once
-#include <ipmid/api.h>
-
 #include <cmath>
 #include <iostream>
+#include <ipmid/api.hpp>
 #include <phosphor-logging/log.hpp>
 
 namespace ipmi
@@ -181,4 +180,4 @@
     return scaleIPMIValueFromDouble(value, mValue, rExp, bValue, bExp, bSigned);
 }
 
-} // namespace ipmi
\ No newline at end of file
+} // namespace ipmi