Remove remaining remnants of RIPEMD-160 support.

Change-Id: I59d06bcb9245ba93d3c3b63afbc24d6cef7c5af4
Reviewed-on: https://boringssl-review.googlesource.com/3925
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/rsa/rsa.c b/crypto/rsa/rsa.c
index 691cd03..a399a9d 100644
--- a/crypto/rsa/rsa.c
+++ b/crypto/rsa/rsa.c
@@ -348,12 +348,6 @@
       0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40},
     },
     {
-     NID_ripemd160,
-     14,
-     {0x30, 0x20, 0x30, 0x08, 0x06, 0x06, 0x28, 0xcf, 0x06, 0x03, 0x00, 0x31,
-      0x04, 0x14},
-    },
-    {
      NID_undef, 0, {0},
     },
 };
diff --git a/include/openssl/opensslfeatures.h b/include/openssl/opensslfeatures.h
index c79b1c5..c3f97d5 100644
--- a/include/openssl/opensslfeatures.h
+++ b/include/openssl/opensslfeatures.h
@@ -47,6 +47,7 @@
 #define OPENSSL_NO_RC5
 #define OPENSSL_NO_RFC3779
 #define OPENSSL_NO_RIPEMD
+#define OPENSSL_NO_RMD160
 #define OPENSSL_NO_SCTP
 #define OPENSSL_NO_SEED
 #define OPENSSL_NO_SRP