remove ECDH error loading

Reviewed-by: NRichard Levitte <levitte@openssl.org>

crypto/err/err_all.c

@@ -139,7 +139,6 @@ void ERR_load_crypto_strings(void)
 # ifndef OPENSSL_NO_EC
     ERR_load_EC_strings();
     ERR_load_ECDSA_strings();
-    ERR_load_ECDH_strings();
 # endif
     /* skip ERR_load_SSL_strings() because it is not in this library */
     ERR_load_BIO_strings();

crypto/err/openssl.ec

@@ -29,7 +29,6 @@ L OCSP		include/openssl/ocsp.h		crypto/ocsp/ocsp_err.c
 L UI		include/openssl/ui.h		crypto/ui/ui_err.c
 L COMP		include/openssl/comp.h		crypto/comp/comp_err.c
 L ECDSA		include/openssl/ecdsa.h		crypto/ecdsa/ecs_err.c
-L ECDH		include/openssl/ecdh.h		crypto/ecdh/ech_err.c
 L STORE		include/openssl/store.h		crypto/store/str_err.c
 L TS		include/openssl/ts.h		crypto/ts/ts_err.c
 L HMAC		include/openssl/hmac.h		crypto/hmac/hmac_err.c