Remove AES-GCM cipher indices.

Those ciphers go through EVP_AEAD now.

Change-Id: Ia97af9960223724f041dc2c249def9e626fd03f8
Reviewed-on: https://boringssl-review.googlesource.com/1520
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/include/openssl/aead.h b/include/openssl/aead.h
index eb2194a..7e4682c 100644
--- a/include/openssl/aead.h
+++ b/include/openssl/aead.h
@@ -92,10 +92,10 @@
 
 /* AEAD algorithms. */
 
-/* EVP_aes_128_gcm is AES-128 in Galois Counter Mode. */
+/* EVP_aead_aes_128_gcm is AES-128 in Galois Counter Mode. */
 OPENSSL_EXPORT const EVP_AEAD *EVP_aead_aes_128_gcm(void);
 
-/* EVP_aes_256_gcm is AES-256 in Galois Counter Mode. */
+/* EVP_aead_aes_256_gcm is AES-256 in Galois Counter Mode. */
 OPENSSL_EXPORT const EVP_AEAD *EVP_aead_aes_256_gcm(void);
 
 /* EVP_aead_chacha20_poly1305 is an AEAD built from ChaCha20 and Poly1305. */
diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index 7c01bfa..62f790f 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -152,9 +152,7 @@
 #define SSL_ENC_RC4_IDX		2
 #define SSL_ENC_AES128_IDX	3
 #define SSL_ENC_AES256_IDX	4
-#define SSL_ENC_AES128GCM_IDX	5
-#define SSL_ENC_AES256GCM_IDX	6
-#define SSL_ENC_NUM_IDX		7
+#define SSL_ENC_NUM_IDX		5
 
 
 static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]= { 0 };
@@ -298,9 +296,6 @@
 	ssl_cipher_methods[SSL_ENC_AES128_IDX]= EVP_aes_128_cbc();
 	ssl_cipher_methods[SSL_ENC_AES256_IDX]= EVP_aes_256_cbc();
 
-	ssl_cipher_methods[SSL_ENC_AES128GCM_IDX]= EVP_aes_128_gcm();
-	ssl_cipher_methods[SSL_ENC_AES256GCM_IDX]= EVP_aes_256_gcm();
-
 	ssl_digest_methods[SSL_MD_MD5_IDX]= EVP_md5();
 	ssl_mac_secret_size[SSL_MD_MD5_IDX]= EVP_MD_size(EVP_md5());
 	assert(ssl_mac_secret_size[SSL_MD_MD5_IDX] >= 0);
@@ -385,12 +380,6 @@
 	case SSL_AES256:
 		i=SSL_ENC_AES256_IDX;
 		break;
-	case SSL_AES128GCM:
-		i=SSL_ENC_AES128GCM_IDX;
-		break;
-	case SSL_AES256GCM:
-		i=SSL_ENC_AES256GCM_IDX;
-		break;
 	default:
 		i= -1;
 		break;
@@ -558,8 +547,6 @@
 	*enc |= (ssl_cipher_methods[SSL_ENC_RC4_IDX ] == NULL) ? SSL_RC4 :0;
 	*enc |= (ssl_cipher_methods[SSL_ENC_AES128_IDX] == NULL) ? SSL_AES128:0;
 	*enc |= (ssl_cipher_methods[SSL_ENC_AES256_IDX] == NULL) ? SSL_AES256:0;
-	*enc |= (ssl_cipher_methods[SSL_ENC_AES128GCM_IDX] == NULL) ? SSL_AES128GCM:0;
-	*enc |= (ssl_cipher_methods[SSL_ENC_AES256GCM_IDX] == NULL) ? SSL_AES256GCM:0;
 
 	*mac |= (ssl_digest_methods[SSL_MD_MD5_IDX ] == NULL) ? SSL_MD5 :0;
 	*mac |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1:0;