fix(linting): no-unused-vars

Author: lukekarrys

lib/base-theme.js

@@ -3,7 +3,7 @@ var spin = require('./spin.js')
 var progressBar = require('./progress-bar.js')
 
 module.exports = {
-  activityIndicator: function (values, theme, width) {
+  activityIndicator: function (values, theme) {
     if (values.spun == null) {
       return
     }