Fix MlDsa priv_key_size calculation

Author: JeremiahM37

wolfcrypt/ciphers.py

@@ -2204,9 +2204,7 @@ def priv_key_size(self):
             if ret < 0:  # pragma: no cover
                 raise WolfCryptError("wc_MlDsaKey_GetPrivLen() error (%d)" % ret)
 
-            key_pair_size = size[0]
-
-            return key_pair_size - self.pub_key_size
+            return size[0]
 
         def encode_pub_key(self):
             """