[PATCH] Do not include unused header files.

Some source files were including "delta.h" without actually
needing it.  Remove them.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

count-delta.c

@@ -6,7 +6,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
-#include "delta.h"
 #include "count-delta.h"
 
 static unsigned long get_hdr_size(const unsigned char **datap)

diffcore-pathspec.c

@@ -4,7 +4,6 @@
 #include "cache.h"
 #include "diff.h"
 #include "diffcore.h"
-#include "delta.h"
 
 struct path_spec {
 	const char *spec;

diffcore-pickaxe.c

@@ -4,7 +4,6 @@
 #include "cache.h"
 #include "diff.h"
 #include "diffcore.h"
-#include "delta.h"
 
 static int contains(struct diff_filespec *one,
 		    const char *needle, unsigned long len)