A Grunt task to add to your Gruntfile.js

gruntTaskArcjs.js

grunt.registerTask('delActionDomain', 'Deleting the specified action domain...', function(actionDomainName) {
  //Load the Yeoman file as a variable
  var yoFile = grunt.file.readJSON('./.yo-rc.json');
  //Always delete dist folder and functions.json -- grunt build will recreate these files using manifests
  grunt.file.delete('./assets/dist');
  grunt.file.delete('./assets/functions.json');
  if(actionDomainName) {
      //Delete domain folder
      grunt.file.delete('./assets/src/domains/' + actionDomainName);
      //Retrieve each action listed in the Yeoman file
      var actions = _.filter(yoFile['generator-mozu-actions'].actionNames, function(name) {
          if(name.includes(actionDomainName)) {
              return name;
          }
      });
      //Delete unit tests for each action for the domain
      _.each(actions, function(action) {
         grunt.file.delete('./assets/test/' + action + '.t.js'); 
      });
      //Delete Action Domain manifest file
      grunt.file.delete('./assets/src/' + actionDomainName + '.manifest.js');
      //Alter Yeoman included actions
      yoFile['generator-mozu-actions'].domains = _.without(yoFile['generator-mozu-actions'].domains, actionDomainName);
      yoFile['generator-mozu-actions'].actionNames = _.difference(yoFile['generator-mozu-actions'].actionNames, actions);
      var yoString = JSON.stringify(yoFile);
      grunt.file.delete('./.yo-rc.json');
      grunt.file.write('./.yo-rc.json', yoString);
  }
  //Rebuild
  grunt.task.run('build');
});