Revert "[docs] Build notebooks from Markdown" (#2625)

Revert "[docs] Build notebooks from Markdown (#2570)"

This reverts commit 78507bda.

.github/workflows/build_documentation.yml

@@ -13,7 +13,6 @@ jobs:
     with:
       commit_sha: ${{ github.sha }}
       package: diffusers
-      notebook_folder: diffusers_doc
       languages: en ko
     secrets:
       token: ${{ secrets.HUGGINGFACE_PUSH }}

docs/source/_config.py

-# docstyle-ignore
-INSTALL_CONTENT = """
-# Diffusers installation
-! pip install diffusers transformers datasets accelerate
-# To install from source instead of the last release, comment the command above and uncomment the following one.
-# ! pip install git+https://github.com/huggingface/diffusers.git
-"""
-
-notebook_first_cells = [{"type": "code", "content": INSTALL_CONTENT}]
\ No newline at end of file