Chore: Actions updates and cleanup (#8377)

## Summary

...

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8377-WIP-Chore-Actions-updates-and-cleanup-2f66d73d3650818483a8dffa32a6f245)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Amp <amp@ampcode.com>

.github/actions/setup-comfyui-server/action.yml

@@ -1,55 +0,0 @@
-name: Setup ComfyUI Server
-description: 'Setup ComfyUI server for continuous integration (with ComfyUI_devtools node installed)'
-inputs:
-  extra_server_params:
-    description: 'Additional parameters to pass to ComfyUI server'
-    required: false
-    default: ''
-  launch_server:
-    description: 'Whether to launch the server after setup'
-    required: false
-    default: 'false'
-runs:
-  using: 'composite'
-  steps:
-    # Note: this workflow assume frontend repo is checked out and is built in ../dist
-
-    # Checkout ComfyUI repo, install the dev_tools node and start server
-    - name: Checkout ComfyUI
-      uses: actions/checkout@v5
-      with:
-        repository: 'comfyanonymous/ComfyUI'
-        path: 'ComfyUI'
-
-    - name: Install ComfyUI_devtools from frontend repo
-      shell: bash
-      run: |
-        mkdir -p ComfyUI/custom_nodes/ComfyUI_devtools
-        if ! cp -r ./tools/devtools/* ComfyUI/custom_nodes/ComfyUI_devtools/; then
-          echo "::error::Failed to copy ComfyUI_devtools from ./tools/devtools/"
-          echo "::error::This action assumes the ComfyUI_frontend repository is checked out in the current working directory."
-          echo "::error::Please ensure you have run 'actions/checkout@v5' before calling this action."
-          exit 1
-        fi
-
-    - name: Setup Python
-      uses: actions/setup-python@v4
-      with:
-        python-version: '3.10'
-
-    - name: Install Python requirements
-      shell: bash
-      working-directory: ComfyUI
-      run: |
-        python -m pip install --upgrade pip
-        pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu
-        pip install -r requirements.txt
-        pip install wait-for-it
-
-    - name: Start ComfyUI server
-      if: ${{ inputs.launch_server == 'true' }}
-      shell: bash
-      working-directory: ComfyUI
-      run: |
-        python main.py --cpu --multi-user --front-end-root ../dist ${{ inputs.extra_server_params }} &
-        wait-for-it --service 127.0.0.1:8188 -t 600