Refactor stress test files to enhance clarity and performance

- Removed unnecessary references to LargeTreeGenerator in multiple stress test files, streamlining the code.
- Simplified loop iterations by replacing index variables with underscores for unused values, improving readability.
- Updated the diff logic in the reify and diff tests to eliminate unused patch variables, enhancing performance and clarity.
- Ensured consistent formatting across stress test files for better maintainability.

plugin/src/integration/syncflow.spec.lua

@@ -185,7 +185,7 @@ return function()
 			instanceMap:insert(rootId, root)
 
 			-- Apply 10 consecutive patches
-			for i = 1, 10 do
+			for _ = 1, 10 do
 				local patch = PatchGenerator.createAdditionsPatch({
 					count = 5,
 					parentId = rootId,

plugin/src/integration/twoWaySync.spec.lua

@@ -8,7 +8,6 @@ return function()
 	local InstanceMap = require(script.Parent.Parent.InstanceMap)
 	local PatchSet = require(script.Parent.Parent.PatchSet)
 	local applyPatch = require(script.Parent.Parent.Reconciler.applyPatch)
-	local diff = require(script.Parent.Parent.Reconciler.diff)
 	local encodeInstance = require(script.Parent.Parent.ChangeBatcher.encodeInstance)
 	local testUtils = require(script.Parent.Parent.testUtils)
 	local PatchGenerator = testUtils.PatchGenerator