cifs: trivial: remove obsolete comment

		 * The right amount was read from socket - 4 bytes,

		 * so we can now interpret the length field.

		 */

		/*

		 * Note that RFC 1001 length is big endian on the wire,

		 * but we convert it here so it is always manipulated

		 * as host byte order.

		 */

		pdu_length = be32_to_cpu(smb_buffer->smb_buf_length);

		cFYI(1, "rfc1002 length 0x%x", pdu_length+4);