Found the code:
\ow_static\plugins\base\js\ow.js
line 95
to
line 100
this code remove or comment out!
else{if(!$el.attr('title')){return;}
showContent='<span class="ow_tip_title">'+$el.attr('title')+'</span>';}
var $rootEl=$('<div class="ow_tip ow_tip_'+params.side+'"></div>').css({display:'none'}).append($('<div class="ow_tip_arrow"><span></span></div><div class="ow_tip_box">'+showContent+'</div>'));if(params.width!=null){$rootEl.css({width:params.width});}
$('body').append($rootEl);$el.removeAttr('title');$el.data('owTip',$rootEl);showTipN();};this.hideTip=function($el){if($el.data('tod')){clearTimeout($el.data('tod'));}
if($el.data('owTip')&&$el.data('owTipStatus')==true){$el.data('owTip').hide();$el.data('owTipStatus',false);$el.data('owTipHide',false);}};this.bindTips=function($context){$('*[title]',$context).each(function(i,o){$(o).on('mouseenter',function(){OW.showTip($(this),{timeout:200});});$(o).on('mouseleave',function(){OW.hideTip($(this));});});};this.resizeImg=function($context,params){if(!params.width){return;}