[docs] comment out mmf references

Also updated canonical_url to be fairscale.
Also removed unnecessary htmi_theme_path.

docs/source/_templates/layout.html

@@ -30,8 +30,8 @@
   <meta property="og:title" content="{{ title|striptags|e }}{{ titlesuffix }}">
   <meta name="description" content="{{ theme_variables.og['description'] }}">
   <meta property="og:description" content="{{ theme_variables.og['description'] }}">
-  <meta property="og:image" content="https://mmf.sh/img/logo.png">
-  <meta property="twitter:image" content="https://mmf.sh/img/logo.png">
+  <!--<meta property="og:image" content="https://mmf.sh/img/logo.png">-->
+  <!--<meta property="twitter:image" content="https://mmf.sh/img/logo.png">-->
   <meta name="twitter:image:alt" content="Image for fairscale">
   <meta name="twitter:card" content="summary_large_image">
   {# CSS #}

docs/source/conf.py

@@ -54,7 +54,6 @@
 
 
 html_theme = "pytorch_sphinx_theme"
-html_theme_path = [pytorch_sphinx_theme.get_html_theme_path()]
 templates_path = ["_templates"]
 
 # Add any paths that contain custom static files (such as style sheets) here,
@@ -64,7 +63,7 @@
 #
 html_theme_options = {
     "includehidden": False,
-    "canonical_url": "https://mmf.sh/api/",
+    "canonical_url": "https://fairscale.readthedocs.io",
     "pytorch_project": "docs",
 }