Remove hash from private transaction objects (#912)

Signed-off-by: Roland Tyler <roland.tyler@consensys.net>

docs/Reference/API-Objects.md

@@ -130,7 +130,6 @@ Returned by [`priv_getPrivateTransaction`](API-Methods.md#priv_getprivatetransac
 | **from**           | Data, 20 bytes               | Address of the sender.                                                          |
 | **gas**            | Quantity                          | Gas provided by the sender.                                                     |
 | **gasPrice**       | Quantity                          | Gas price, in Wei, provided by the sender.                                      |
-| **hash**           | Data, 32 bytes               | Hash of the transaction.                                                        |
 | **input**          | Data                              | The data to create or invoke a contract.                                        |
 | **nonce**          | Quantity                          | Number of transactions made by the sender to the privacy group before this one. |
 | **to**             | Data, 20 bytes               | `null` if a contract creation transaction, otherwise, the contract address.     |
@@ -290,7 +289,6 @@ Returned by [`priv_getTransactionReceipt`](API-Methods.md#priv_gettransactionrec
 | **from**             | Data, 20 bytes  | Address of the sender.                                                             |
 | **logs**             | Array                | Array of [log objects](#log-object) generated by this private transaction.         |
 | **to**               | Data, 20 bytes  | Address of the receiver, if sending ether, otherwise, null.                        |
-| **transactionHash**  | Data, 32 bytes  | Hash of the private transaction.                                                   |
 | **transactionIndex** | Quantity, Integer    | Index position of transaction in the block.                                        |
 | **revertReason**     | String               | ABI-encoded string that displays the [reason for reverting the transaction](../HowTo/Send-Transactions/Revert-Reason.md). Only available if revert reason is [enabled](../Reference/CLI/CLI-Syntax.md#revert-reason-enabled). |
 | **output**           | Data                 | RLP-encoded return value of a contract call if a value returns, otherwise, `null`. |