[TYPO3-core] RFC: #16560: Hide mod_menu of record listing in page module if not needed

[Georg Ringer]

This is an SVN patch request.

Type: Bug,nobrainer,cleanup

Bugtracker references:
http://bugs.typo3.org/view.php?id=16560

Branches:
Trunk,4-4,4-3 (would be nice but optional)

Problem:
There is a nice way to show records in the page module using the 
following syntax:
---------------
$TYPO3_CONF_VARS['EXTCONF']['cms']['db_layout']['addTables']['tx_myext'] =
     array ('default' => array(
             'MENU' => 'LLL:EXT:tx_myext/locallang_db.xml:menuDefault',
             'fList' => 'title,description,image',
             'icon' => TRUE));
----------------

If there is only one setting, it makes no sense to render a select box 
to toggle between other settings.

Solution:
Therefore there needs to be an additional check for the size.

How to test:
use the shown example with an existing table and add it to a 
ext_tables.php, clear cache and load page module. See the not needed 
select box and the module with out it after applying patch
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