SQLite: drop support for 'dbfile' option in favor of 'database.'

activerecord/CHANGELOG

 *Edge*
 
+* SQLite: drop support for 'dbfile' option in favor of 'database.'  #2363 [Paul Hinze, Jeremy Kemper]
+
 * Added :primary_key option to belongs_to associations.  #765 [Szymon Nowak, Philip Hallstrom, Noel Rocha]
     # employees.company_name references companies.name
     Employee.belongs_to :company, :primary_key => 'name', :foreign_key => 'company_name'

activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb

@@ -27,7 +27,6 @@ def sqlite_connection(config) # :nodoc:
 
       private
         def parse_sqlite_config!(config)
-          config[:database] ||= config[:dbfile]
           # Require database.
           unless config[:database]
             raise ArgumentError, "No database file specified. Missing argument: database"