Update api-staking.rst

doc/api/api-staking.rst

@@ -5,37 +5,22 @@ Contract overview
 -----------------
 
 ``Bios.sol`` - is the main kernel smartcontract with all the logic about consensus and staking. Its based on the ``QueueHelper`` that brings queue implementation code.
-
-its global variables defined as follows:
-
-.. container:: codeset
-
-   .. sourcecode:: solidity
-
-    uint32 constant freezeGap = 5 seconds;   // time gap before withdrawing melted stake
-
-    /// Public data shared with client code.
-    mapping(address=>uint) public stakes;    // stakes map reside in slot #0
-    address[] public sealers;                // sealers array reside in slot #1
-
-    /// Public contract state.
-    uint constant public version = 1;        // contract code version
-    mapping(address=>Queue) public melting;  // melting stakes queues
 
 
 Functions
 ---------
 
 - **function freeze() payable public**
-Stake the specified amount of money.
+Stake the specified amount of tokens.
 The value is on the contract account and thus inaccessible to the sender.
-Input parameter: "msg.value" the value to be staked.
+``Input parameter`` : "msg.value" the value to be staked.
+
 
 
 - **function melt(uint224 val) public**
 Unstake the specified value of money.
 The value is put to the melting queue and can be withdrawn after `freezeGap`.
-Input parameter: "val" - value to unstake.
+``Input parameter`` : "val" - value to unstake.
 
 
 - **function withdraw() public**