code: function(pluginName) {
  		
  		var self = this;
  		
  		// if the plugin has been activated on this instance
  		if (self[pluginName]) {
  			
  			var plugin = $.tooltipster._plugin(pluginName);
  			
  			// if there is a constructor for instances
  			if (plugin.instance) {
  				
  				// unbridge
  				$.each(plugin.instance, function(methodName, fn) {
  					
  					// if the method exists (privates methods do not) and comes indeed from
  					// this plugin (may be missing or come from a conflicting plugin).
  					if (	self[methodName]
  						&&	self[methodName].bridged === self[pluginName]
  					) {
  						delete self[methodName];
  					}
  				});
  			}
  			
  			// destroy the plugin
  			if (self[pluginName].__destroy) {
  				self[pluginName].__destroy();
  			}
  			
  			// remove the reference to the plugin instance
  			delete self[pluginName];
  		}
  		
  		return self;
  	}
docs: Deactivate a plugin on this instance
  
  @returns {self}
  @protected