Remove redundant sharing description

README.md

@@ -68,9 +68,8 @@ Emoji support example:
 
 HTML metadata is set automatically. The HTML author is the site author.
 The HTML description is the page description. The HTML keywords is a
-union of the page keywords, tags, and categories. Enhanced Facebook and
-Twitter sharing is enabled. Google Analytics is included at the bottom
-of the body, if configured. You must create favicons yourself.
+union of the page keywords, tags, and categories. You must create
+favicons yourself.
 
 The HTML title is the page title, followed by a middle dot, followed by
 the site title. If one is missing, the other is used without the middle