code: def get_drop_index_sql(self, index, table=None):
          
          if isinstance(index, Index):
              index = index.get_quoted_name(self)
  
          return "DROP INDEX %s" % index
docs: Returns the SQL to drop an index from a table.
  
          :param index: The index
          :type index: Index or str
  
          :param table: The table
          :type table: Table or str or None
  
          :rtype: str