Drupal.behavior unexpectedly triggered by Ajax callback
All Drupal behaviors are called when an AJAX call is performed. This allows modules to attach its 'behaviors' to new loaded content. 

There are much cases where the behavior should be attached just one time. For this cases the once function is recommended:

   Drupal.behaviors.responsive_tabstoaccordion_panels = {
      attach: function (context, settings) {   


    $(settings.responsive_tabstoaccordion_panels.tabstoaccordion_panel).once('rttap', function () {
      $(this).easyResponsiveTabs({
        //Set options
        type: 'default',            
        //...
      });
    }
  );  


This way the anonymous function that calls easyResponsiveTabs is called only one time for each element. If new elements are loaded the behavior is applied.