We no longer need to include headers we don't use for sudo*.h files.

Previously we needed to include headers required by the various
sudo*h files.  Now those files are more self-sufficient and we
should only include headers needed by code in the various .c files.

plugins/python/sudo_python_debug.h

@@ -19,7 +19,6 @@
 #ifndef SUDO_PYTHON_DEBUG_H
 #define SUDO_PYTHON_DEBUG_H
 
-#include <sys/types.h>
 #include "sudo_debug.h"
 
 /*