code: function(toolKey){
  			delete taTools[toolKey];
  			angular.forEach(toolbars, function(toolbarScope){
  				delete toolbarScope.tools[toolKey];
  				for(var i = 0; i < toolbarScope.toolbar.length; i++){
  					var toolbarIndex;
  					for(var j = 0; j < toolbarScope.toolbar[i].length; j++){
  						if(toolbarScope.toolbar[i][j] === toolKey){
  							toolbarIndex = {
  								group: i,
  								index: j
  							};
  							break;
  						}
  						if(toolbarIndex !== undefined) break;
  					}
  					if(toolbarIndex !== undefined){
  						toolbarScope.toolbar[toolbarIndex.group].slice(toolbarIndex.index, 1);
  						toolbarScope._$element.children().eq(toolbarIndex.group).children().eq(toolbarIndex.index).remove();
  					}
  				}
  			});
  		}
docs: removes a tool from all toolbars and it's definition