remove ARM and Mozilla SHA1 implementations

They are both slower than the new BLK_SHA1 implementation, so it is
pointless to keep them around.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2 files changed, 8 insertions, 4 deletions

diff --git a/block-sha1/sha1.c b/block-sha1/sha1.c
index 92d9121602..d8934757a5 100644
--- a/block-sha1/sha1.c
+++ b/block-sha1/sha1.c
@@ -1,7 +1,9 @@
 /*
- * Based on the Mozilla SHA1 (see mozilla-sha1/sha1.c),
- * optimized to do word accesses rather than byte accesses,
+ * SHA1 routine optimized to do word accesses rather than byte accesses,
  * and to avoid unnecessary copies into the context array.
+ *
+ * This was initially based on the Mozilla SHA1 implementation, although
+ * none of the original Mozilla code remains.
  */
 
 /* this is only to get definitions for memcpy(), ntohl() and htonl() */
diff --git a/block-sha1/sha1.h b/block-sha1/sha1.h
index 81abfd4c1c..b864df623e 100644
--- a/block-sha1/sha1.h
+++ b/block-sha1/sha1.h
@@ -1,7 +1,9 @@
 /*
- * Based on the Mozilla SHA1 (see mozilla-sha1/sha1.h),
- * optimized to do word accesses rather than byte accesses,
+ * SHA1 routine optimized to do word accesses rather than byte accesses,
  * and to avoid unnecessary copies into the context array.
+ *
+ * This was initially based on the Mozilla SHA1 implementation, although
+ * none of the original Mozilla code remains.
  */
 
 typedef struct {