Backed out changeset e665e278f4ac (bug 1730515) for causing issues on search functionality. a=backout

docs/conf.py

@@ -70,13 +70,6 @@ templates_path = ["_templates"]
 source_suffix = [".rst", ".md"]
 master_doc = "index"
 project = "Firefox Source Docs"
-# Override the search box to use Google instead of
-# sphinx search
-html_sidebars = {
-    "**": [
-        "searchbox.html",
-    ]
-}
 html_logo = os.path.join(
     topsrcdir, "browser/branding/nightly/content/firefox-wordmark.svg"
 )