Fixed linter warnings

contracts/v2/CommitManagerV1.sol

@@ -49,8 +49,6 @@ contract CommitManagerV2 is Named, Versioned, ContractStatus, Initializable {
     ShardingTableStorageV2 public shardingTableStorage;
     StakingStorage public stakingStorage;
 
-    uint256 constant HASH_RING_SIZE = type(uint256).max;
-
     // solhint-disable-next-line no-empty-blocks
     constructor(address hubAddress) ContractStatus(hubAddress) {}
 

contracts/v2/constants/HashRingConstants.sol

@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.16;
+
+uint256 constant HASH_RING_SIZE = type(uint256).max;

contracts/v2/scoring/LinearSum.sol

@@ -10,15 +10,14 @@ import {Initializable} from "../../v1/interface/Initializable.sol";
 import {IProximityScoreFunctionsPair} from "../interface/IProximityScoreFunctionsPair.sol";
 import {Named} from "../../v1/interface/Named.sol";
 import {ScaleDownLib} from "../utils/ScaleDownLibrary.sol";
+import {HASH_RING_SIZE} from "../constants/HashRingConstants.sol";
 
 contract LinearSum is IProximityScoreFunctionsPair, Indexable, Named, HubDependent, Initializable {
     event ParameterChanged(string parameterName, uint256 parameterValue);
 
     uint8 private constant _ID = 2;
     string private constant _NAME = "LinearSum";
 
-    uint256 constant HASH_RING_SIZE = type(uint256).max;
-
     HashingProxy public hashingProxy;
     ParametersStorage public parametersStorage;
 

contracts/v2/storage/NodeOperatorFeeChangesStorage.sol

@@ -25,7 +25,7 @@ contract NodeOperatorFeeChangesStorage is Named, Versioned, HubDependent {
     constructor(address hubAddress) HubDependent(hubAddress) {}
 
     modifier onlyOnce() {
-        require(!_delayFreePeriodSet, "Function has already been executed.");
+        require(!_delayFreePeriodSet, "Fn has already been executed");
         _;
         _delayFreePeriodSet = true;
     }