git-clean.txt: clarify ignore pattern files

diff --git a/attr.c b/attr.c
index 0cba78912907e35a26e43156e124912467e46b27..fdd110bec55cb3bc5c8ebbb8cffbc33cced530b2 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -7,7 +7,6 @@
  * an insanely large number of attributes.
  */
 
-#define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "config.h"
 #include "exec-cmd.h"