Remove unnecessary override of #read_yaml in Page.

lib/jekyll/page.rb

@@ -23,17 +23,6 @@ module Jekyll
       self.read_yaml(File.join(base, dir), name)
     end
 
-    # Read the YAML frontmatter.
-    #
-    # base - The String path to the dir containing the file.
-    # name - The String filename of the file.
-    #
-    # Returns nothing.
-    def read_yaml(base, name)
-      super(base, name)
-      self.data
-    end
-
     # The generated directory into which the page will be placed
     # upon generation. This is derived from the permalink or, if
     # permalink is absent, we be '/'