Remove dependencies on deprecated PSA Crypto API definitions

In preparation for moving to mbedtls-3.0.0 where legacy support is
removed, dependencies on deprecated API functions and defines are
modified to align as closely as possible with PSA Crypto API 1.0.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I9f6fc833336a883382229c430ea71122bd550bd8
diff --git a/protocols/service/crypto/protobuf/key_attributes.proto b/protocols/service/crypto/protobuf/key_attributes.proto
index 2415d5c..bdf2a67 100644
--- a/protocols/service/crypto/protobuf/key_attributes.proto
+++ b/protocols/service/crypto/protobuf/key_attributes.proto
@@ -15,7 +15,6 @@
   KEY_TYPE_AES                    = 0x2400;
   KEY_TYPE_DES                    = 0x2301;
   KEY_TYPE_CAMELLIA               = 0x2403;
-  KEY_TYPE_ARC4                   = 0x2002;
   KEY_TYPE_CHACHA20               = 0x2004;
   KEY_TYPE_RSA_PUBLIC_KEY         = 0x4001;
   KEY_TYPE_RSA_KEY_PAIR           = 0x7001;
@@ -43,8 +42,6 @@
 /* Crypto algorithms */
 enum Alg {
   ALG_NONE                        = 0x00000000;
-  ALG_MD2                         = 0x02000001;
-  ALG_MD4                         = 0x02000002;
   ALG_MD5                         = 0x02000003;
   ALG_RIPEMD160                   = 0x02000004;
   ALG_SHA_1                       = 0x02000005;
@@ -106,4 +103,4 @@
   uint32 lifetime = 3;
   uint32 id = 4;
   KeyPolicy policy = 5;
-}
\ No newline at end of file
+}