fix: remove redundant _getDelegationRatio, getDelegationRatio functions.

Author: MoonBoi9001

packages/horizon/contracts/data-service/DataService.sol

@@ -69,10 +69,4 @@ abstract contract DataService is GraphDirectory, ProvisionManager, DataServiceV1
         return _getProvisionTokensRange();
     }
 
-    /**
-     * @notice See {IDataService-getDelegationRatio}.
-     */
-    function getDelegationRatio() external view returns (uint32) {
-        return _getDelegationRatio();
-    }
 }

packages/horizon/contracts/data-service/interfaces/IDataService.sol

@@ -161,9 +161,4 @@ interface IDataService {
      */
     function getProvisionTokensRange() external view returns (uint256, uint256);
 
-    /**
-     * @notice External getter for the delegation ratio
-     * @return The delegation ratio
-     */
-    function getDelegationRatio() external view returns (uint32);
 }

packages/horizon/contracts/data-service/utilities/ProvisionManager.sol

@@ -230,14 +230,6 @@ abstract contract ProvisionManager is Initializable, GraphDirectory, ProvisionMa
 
     // -- getters --
 
-    /**
-     * @notice Gets the delegation ratio.
-     * @return The delegation ratio
-     */
-    function _getDelegationRatio() internal view returns (uint32) {
-        return delegationRatio;
-    }
-
     /**
      * @notice Gets the range for the provision tokens.
      * @return min The minimum allowed value for the provision tokens.

packages/horizon/test/data-service/DataService.t.sol

@@ -362,7 +362,7 @@ contract DataServiceTest is HorizonStakingSharedTest {
     }
 
     function _assert_delegationRatio(uint32 ratio) internal view {
-        uint32 _delegationRatio = dataService.getDelegationRatio();
+        uint32 _delegationRatio = provisionManager.delegationRatio();
         assertEq(_delegationRatio, ratio);
     }
 

packages/horizon/test/data-service/DataServiceUpgradeable.t.sol

@@ -13,7 +13,7 @@ contract DataServiceUpgradeableTest is GraphBaseTest {
 
         // via proxy - ensure that the proxy was initialized correctly
         // these calls validate proxy storage was correctly initialized
-        uint32 delegationRatio = dataService.getDelegationRatio();
+        uint32 delegationRatio = provisionManager.delegationRatio();
         assertEq(delegationRatio, type(uint32).min);
 
         (uint256 minTokens, uint256 maxTokens) = dataService.getProvisionTokensRange();

packages/horizon/test/data-service/extensions/DataServicePausableUpgradeable.t.sol

@@ -16,7 +16,7 @@ contract DataServicePausableUpgradeableTest is GraphBaseTest {
 
         // via proxy - ensure that the proxy was initialized correctly
         // these calls validate proxy storage was correctly initialized
-        uint32 delegationRatio = dataService.getDelegationRatio();
+        uint32 delegationRatio = provisionManager.delegationRatio();
         assertEq(delegationRatio, type(uint32).min);
 
         (uint256 minTokens, uint256 maxTokens) = dataService.getProvisionTokensRange();

packages/subgraph-service/contracts/DisputeManager.sol

@@ -713,7 +713,7 @@ contract DisputeManager is
      */
     function _getStakeSnapshot(address _indexer, uint256 _indexerStake) private view returns (uint256) {
         uint256 delegatorsStake = _graphStaking().getDelegationPool(_indexer, address(subgraphService)).tokens;
-        uint256 delegatorsStakeMax = _indexerStake * uint256(subgraphService.getDelegationRatio());
+        uint256 delegatorsStakeMax = _indexerStake * uint256(provisionManager.delegationRatio());
         uint256 stakeSnapshot = _indexerStake + MathUtils.min(delegatorsStake, delegatorsStakeMax);
         return stakeSnapshot;
     }