LMSRStabilized pure refactor; swapMintAmounts

src/PartyPoolMintImpl.sol

@@ -194,7 +194,7 @@ contract PartyPoolMintImpl is PartyPoolBase {
         emit Burn(payer, receiver, withdrawAmounts, lpAmount);
     }
 
-    function mintAmounts(uint256 lpTokenAmount, uint256 numAssets, uint256 totalSupply, uint256[] memory cachedUintBalances) public view
+    function mintAmounts(uint256 lpTokenAmount, uint256 numAssets, uint256 totalSupply, uint256[] memory cachedUintBalances) public pure
     returns (uint256[] memory depositAmounts) {
         depositAmounts = new uint256[](numAssets);
 
@@ -217,7 +217,7 @@ contract PartyPoolMintImpl is PartyPoolBase {
     }
 
     function burnAmounts(uint256 lpTokenAmount,
-        uint256 numAssets, uint256 totalSupply, uint256[] memory cachedUintBalances) public view
+        uint256 numAssets, uint256 totalSupply, uint256[] memory cachedUintBalances) public pure
     returns (uint256[] memory withdrawAmounts) {
         withdrawAmounts = new uint256[](numAssets);