fix: remove LOD from vue nodes (#6950)

## Summary

Refactor to remove LOD from vue nodes. Also, hide Litegraph LOD settings
in vue nodes to prevent confusion / stale setting. Keep litegraph LOD
the exact same.

## Changes

- **What**: settings, all LOD related code in vue nodes

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6950-fix-remove-LOD-from-vue-nodes-2b76d73d365081568723f8cbc7be7e17)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/composables/graph/useVueNodeLifecycle.ts

@@ -3,7 +3,6 @@ import { shallowRef, watch } from 'vue'
 
 import { useGraphNodeManager } from '@/composables/graph/useGraphNodeManager'
 import type { GraphNodeManager } from '@/composables/graph/useGraphNodeManager'
-import { useRenderModeSetting } from '@/composables/settings/useRenderModeSetting'
 import { useVueFeatureFlags } from '@/composables/useVueFeatureFlags'
 import { useVueNodesMigrationDismissed } from '@/composables/useVueNodesMigrationDismissed'
 import type { LGraphNode } from '@/lib/litegraph/src/litegraph'
@@ -26,11 +25,6 @@ function useVueNodeLifecycleIndividual() {
 
   let hasShownMigrationToast = false
 
-  useRenderModeSetting(
-    { setting: 'LiteGraph.Canvas.MinFontSizeForLOD', vue: 0, litegraph: 8 },
-    shouldRenderVueNodes
-  )
-
   const initializeNodeManager = () => {
     // Use canvas graph if available (handles subgraph contexts), fallback to app graph
     const activeGraph = comfyApp.canvas?.graph