include: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by:		Netflix

include/iconv.h

@@ -33,12 +33,10 @@
 #ifndef _ICONV_H_
 #define _ICONV_H_
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <wchar.h>
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #ifdef __cplusplus

include/mqueue.h

@@ -29,7 +29,6 @@
 #ifndef _MQUEUE_H_
 #define _MQUEUE_H_
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/mqueue.h>
 #include <sys/signal.h>

include/nl_types.h

@@ -34,7 +34,6 @@
 #ifndef _NL_TYPES_H_
 #define _NL_TYPES_H_
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #ifdef _NLS_PRIVATE

include/sched.h

@@ -29,7 +29,6 @@
 #ifndef __SCHED_H__
 #define __SCHED_H__
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/sched.h>
 #if __BSD_VISIBLE

include/stringlist.h

@@ -30,7 +30,7 @@
 
 #ifndef _STRINGLIST_H
 #define _STRINGLIST_H 
-#include <sys/cdefs.h>
+
 #include <sys/types.h>
 
 /*

include/unistd.h

@@ -32,7 +32,6 @@
 #ifndef _UNISTD_H_
 #define	_UNISTD_H_
 
-#include <sys/cdefs.h>
 #include <sys/types.h>			/* XXX adds too much pollution. */
 #include <sys/unistd.h>
 #include <sys/_null.h>