Actually remove KU_* from x509.h

I forgot half of
https://boringssl-review.googlesource.com/c/boringssl/+/64607

Change-Id: Idbb827c5298c08bb1344272353ba4740802c55de
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/64627
Reviewed-by: Bob Beck <bbe@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
diff --git a/include/openssl/x509.h b/include/openssl/x509.h
index 7f42593..aa219b1 100644
--- a/include/openssl/x509.h
+++ b/include/openssl/x509.h
@@ -3088,17 +3088,6 @@
 #define X509_STORE_get1_certs X509_STORE_CTX_get1_certs
 #define X509_STORE_get1_crls X509_STORE_CTX_get1_crls
 
-// The following constants are legacy aliases for |X509v3_KU_*|.
-#define KU_DIGITAL_SIGNATURE X509v3_KU_DIGITAL_SIGNATURE
-#define KU_NON_REPUDIATION X509v3_KU_NON_REPUDIATION
-#define KU_KEY_ENCIPHERMENT X509v3_KU_KEY_ENCIPHERMENT
-#define KU_DATA_ENCIPHERMENT X509v3_KU_DATA_ENCIPHERMENT
-#define KU_KEY_AGREEMENT X509v3_KU_KEY_AGREEMENT
-#define KU_KEY_CERT_SIGN X509v3_KU_KEY_CERT_SIGN
-#define KU_CRL_SIGN X509v3_KU_CRL_SIGN
-#define KU_ENCIPHER_ONLY X509v3_KU_ENCIPHER_ONLY
-#define KU_DECIPHER_ONLY X509v3_KU_DECIPHER_ONLY
-
 
 // Private structures.