Standardize doc mocks

Author: james-toussaint

contracts/mocks/docs/ERC7984MintableBurnable.sol

@@ -1,13 +1,11 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.24;
 
-import {FHE, externalEuint64, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";
+import {FHE, externalEuint64} from "@fhevm/solidity/lib/FHE.sol";
 import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
 import {ERC7984} from "../../token/ERC7984/ERC7984.sol";
 
 contract ERC7984MintableBurnable is ERC7984, Ownable {
-    using FHE for *;
-
     constructor(
         address owner,
         string memory name,
@@ -16,10 +14,10 @@ contract ERC7984MintableBurnable is ERC7984, Ownable {
     ) ERC7984(name, symbol, uri) Ownable(owner) {}
 
     function mint(address to, externalEuint64 amount, bytes memory inputProof) public onlyOwner {
-        _mint(to, amount.fromExternal(inputProof));
+        _mint(to, FHE.fromExternal(amount, inputProof));
     }
 
     function burn(address from, externalEuint64 amount, bytes memory inputProof) public onlyOwner {
-        _burn(from, amount.fromExternal(inputProof));
+        _burn(from, FHE.fromExternal(amount, inputProof));
     }
 }

contracts/mocks/docs/SwapERC7984ToERC20.sol

@@ -4,12 +4,9 @@ pragma solidity ^0.8.24;
 import {FHE, externalEuint64, euint64} from "@fhevm/solidity/lib/FHE.sol";
 import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
-
 import {IERC7984} from "../../interfaces/IERC7984.sol";
 
 contract SwapConfidentialToERC20 {
-    using FHE for *;
-
     error SwapConfidentialToERC20InvalidGatewayRequest(uint256 requestId);
 
     mapping(uint256 requestId => address) private _receivers;
@@ -22,8 +19,8 @@ contract SwapConfidentialToERC20 {
     }
 
     function swapConfidentialToERC20(externalEuint64 encryptedInput, bytes memory inputProof) public {
-        euint64 amount = encryptedInput.fromExternal(inputProof);
-        amount.allowTransient(address(_fromToken));
+        euint64 amount = FHE.fromExternal(encryptedInput, inputProof);
+        FHE.allowTransient(amount, address(_fromToken));
         euint64 amountTransferred = _fromToken.confidentialTransferFrom(msg.sender, address(this), amount);
 
         bytes32[] memory cts = new bytes32[](1);