Delete more CC stuff

src/cc/CCinclude.h

@@ -498,11 +498,6 @@ bool GetCustomscriptaddress(char *destaddr,const CScript &scriptPubKey,uint8_t t
 /// @returns public key as byte array
 std::vector<uint8_t> Mypubkey();
 
-/// Returns my private key, that is private key for the my pubkey
-/// @returns private key as byte array
-/// @see Mypubkey
-bool Myprivkey(uint8_t myprivkey[]);
-
 /// @private
 uint256 BitcoinGetProofMerkleRoot(const std::vector<uint8_t> &proofData, std::vector<uint256> &txids);