Remove pkey_base_id.

This is never accessed.

Change-Id: I4cade5e907ad4c03e9de7634b53ef965f7240087
Reviewed-on: https://boringssl-review.googlesource.com/6864
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/evp/internal.h b/crypto/evp/internal.h
index 3acc361..67b2a65 100644
--- a/crypto/evp/internal.h
+++ b/crypto/evp/internal.h
@@ -86,7 +86,6 @@
 
 struct evp_pkey_asn1_method_st {
   int pkey_id;
-  int pkey_base_id;
   unsigned long pkey_flags;
 
   const char *pem_str;
diff --git a/crypto/evp/p_dsa_asn1.c b/crypto/evp/p_dsa_asn1.c
index c92068f..ea75e58 100644
--- a/crypto/evp/p_dsa_asn1.c
+++ b/crypto/evp/p_dsa_asn1.c
@@ -551,7 +551,6 @@
 
 const EVP_PKEY_ASN1_METHOD dsa_asn1_meth = {
   EVP_PKEY_DSA,
-  EVP_PKEY_DSA,
   0,
 
   "DSA",
diff --git a/crypto/evp/p_ec_asn1.c b/crypto/evp/p_ec_asn1.c
index eeecc33..c88fb1e 100644
--- a/crypto/evp/p_ec_asn1.c
+++ b/crypto/evp/p_ec_asn1.c
@@ -530,7 +530,6 @@
 
 const EVP_PKEY_ASN1_METHOD ec_asn1_meth = {
   EVP_PKEY_EC,
-  EVP_PKEY_EC,
   0,
   "EC",
 
diff --git a/crypto/evp/p_rsa_asn1.c b/crypto/evp/p_rsa_asn1.c
index db38d5c..8556b5a 100644
--- a/crypto/evp/p_rsa_asn1.c
+++ b/crypto/evp/p_rsa_asn1.c
@@ -704,7 +704,6 @@
 
 const EVP_PKEY_ASN1_METHOD rsa_asn1_meth = {
   EVP_PKEY_RSA,
-  EVP_PKEY_RSA,
   ASN1_PKEY_SIGPARAM_NULL,
 
   "RSA",