strange , before I install genesis it wasn't there , and when I hover on it with firebug it shows genesis-category-checklist-toggle.
also I commented this line in genesis admin.js and its gone
//jQuery('<p><span id="genesis-category-checklist-toggle" class="button">' + genesisL10n.category_checklist_toggle + '</span></p>').insertBefore('ul.categorychecklist');
but I don't want to modify core files , any other solutions ?
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