Uniswap - N14 - Remove unused imports (#1312)

* Remove unused imports

* Add back import

Author: shahthepro

contracts/contracts/strategies/uniswap/UniswapV3LiquidityManager.sol

@@ -3,19 +3,14 @@ pragma solidity ^0.8.0;
 
 import { UniswapV3StrategyStorage } from "./UniswapV3StrategyStorage.sol";
 
-import { InitializableAbstractStrategy } from "../../utils/InitializableAbstractStrategy.sol";
 import { INonfungiblePositionManager } from "../../interfaces/uniswap/v3/INonfungiblePositionManager.sol";
 import { IVault } from "../../interfaces/IVault.sol";
-import { IStrategy } from "../../interfaces/IStrategy.sol";
-import { IUniswapV3Pool } from "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
 import { ISwapRouter } from "@uniswap/v3-periphery/contracts/interfaces/ISwapRouter.sol";
 import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import { Helpers } from "../../utils/Helpers.sol";
 import { StableMath } from "../../utils/StableMath.sol";
 
-import "@openzeppelin/contracts/utils/Strings.sol";
-
 contract UniswapV3LiquidityManager is UniswapV3StrategyStorage {
     using SafeERC20 for IERC20;
     using StableMath for uint256;

contracts/contracts/utils/UniswapV3Helper.sol

@@ -4,8 +4,6 @@ pragma solidity =0.7.6;
 import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
 import "@uniswap/v3-core/contracts/libraries/FixedPoint128.sol";
 import "@uniswap/v3-core/contracts/libraries/TickMath.sol";
-import "@uniswap/v3-core/contracts/libraries/Tick.sol";
-import "@uniswap/v3-periphery/contracts/libraries/PositionKey.sol";
 import "@uniswap/v3-periphery/contracts/libraries/LiquidityAmounts.sol";
 import { INonfungiblePositionManager } from "../interfaces/uniswap/v3/INonfungiblePositionManager.sol";