fixed dependencies

mkdocs.yml

@@ -7,49 +7,3 @@ theme:
 nav:
   - Home: index.md
   - About: about.md
-
-markdown_extensions:
-  - abbr
-  - admonition
-  - attr_list
-  - codehilite:
-      guess_lang: true
-      use_pygments: true
-  - def_list
-  - footnotes
-  - md_in_html
-  - meta
-  - pymdownx.betterem:
-      smart_enable: all
-  - pymdownx.caret
-  - pymdownx.mark
-  - pymdownx.tilde
-  - pymdownx.critic
-  - pymdownx.details
-  - pymdownx.highlight
-  - pymdownx.inlinehilite
-  - pymdownx.keys
-  - pymdownx.magiclink:
-      repo_url_shorthand: true
-      user: squidfunk
-      repo: mkdocs-material
-  - pymdownx.pathconverter
-  - pymdownx.saneheaders
-  - pymdownx.smartsymbols
-  - pymdownx.snippets:
-      base_path: .
-      check_paths: true
-  - pymdownx.superfences:
-      custom_fences:
-        - name: mermaid
-          class: mermaid
-          format: !!python/name:pymdownx.superfences.fence_code_format
-          format: !!python/name:pymdownx.superfences.fence_div_format
-  - pymdownx.tabbed:
-      alternate_style: true
-  - pymdownx.tasklist:
-      custom_checkbox: true
-      clickable_checkbox: true
-  - toc:
-      permalink: false
-      toc_depth: 4