Remove redefinition of has_option() method
diff --git a/Lib/ConfigParser.py b/Lib/ConfigParser.py
index 699803d..7be8ffd 100644
--- a/Lib/ConfigParser.py
+++ b/Lib/ConfigParser.py
@@ -42,9 +42,6 @@
     options(section)
         return list of configuration options for the named section
 
-    has_option(section, option)
-        return whether the given section has the given option
-
     read(filenames)
         read and parse the list of named configuration files, given by
         name.  A single filename is also allowed.  Non-existing files
@@ -215,10 +212,6 @@
             del opts['__name__']
         return opts.keys()
 
-    def has_option(self, section, option):
-        """Return whether the given section has the given option."""
-        return option in self.options(section)
-
     def read(self, filenames):
         """Read and parse a filename or a list of filenames.