openssl: Remove < 3 ifdefs

Signed-off-by: Ben Collins <bcollins@ubuntu.com>
diff --git a/libjwt/openssl/jwk-parse.c b/libjwt/openssl/jwk-parse.c
index 489afc7..5754606 100644
--- a/libjwt/openssl/jwk-parse.c
+++ b/libjwt/openssl/jwk-parse.c
@@ -13,8 +13,6 @@
 #include <jwt.h>
 #include "jwt-private.h"
 
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
-
 #include <openssl/pem.h>
 #include <openssl/evp.h>
 #include <openssl/bio.h>
@@ -557,36 +555,3 @@
 	item->provider_data = NULL;
 	item->provider = JWT_CRYPTO_OPS_NONE;
 }
-
-#else /* OpenSSL 3 */
-
-static const char not_implemented[] = "OpenSSL Support for JWK requires 3.0 or higher";
-
-JWT_NO_EXPORT
-int openssl_process_eddsa(json_t *jwk, jwk_item_t *item)
-{
-	jwt_write_error(item, not_implemented);
-	return -1;
-}
-
-JWT_NO_EXPORT
-int openssl_process_rsa(json_t *jwk, jwk_item_t *item)
-{
-	jwt_write_error(item, not_implemented);
-	return -1;
-}
-
-JWT_NO_EXPORT
-int openssl_process_ec(json_t *jwk, jwk_item_t *item)
-{
-	jwt_write_error(item, not_implemented);
-	return -1;
-}
-
-JWT_NO_EXPORT
-void openssl_process_item_free(jwk_item_t *item)
-{
-	return;
-}
-
-#endif /* OpenSSL 3 */
diff --git a/libjwt/openssl/sign-verify.c b/libjwt/openssl/sign-verify.c
index e0f24e3..0ff2bc1 100644
--- a/libjwt/openssl/sign-verify.c
+++ b/libjwt/openssl/sign-verify.c
@@ -501,11 +501,7 @@
 	.sign_sha_pem		= openssl_sign_sha_pem,
 	.verify_sha_pem		= openssl_verify_sha_pem,
 
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
 	.jwk_implemented	= 1,
-#else
-	.jwk_implemented	= 0,
-#endif
 	.process_eddsa		= openssl_process_eddsa,
 	.process_rsa		= openssl_process_rsa,
 	.process_ec		= openssl_process_ec,