read-cache: remove unused #include "sigchain.h"

diff --git a/read-cache.c b/read-cache.c
index 89be2268cd39fc87983b2bb66597e968f76e32cd..b240c41fdcabc992a8b31e3f2cfb9063aff40513 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -17,7 +17,6 @@
 #include "strbuf.h"
 #include "varint.h"
 #include "split-index.h"
-#include "sigchain.h"
 #include "utf8.h"
 
 static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,