fix(tailwind): Ensure tailwind properly purges unused utility classes (#2485)

platform/docs/pluginOHIFWebpackConfig.js

@@ -21,7 +21,7 @@ module.exports = function(context, options) {
         },
       };
     },
-    /*configurePostCss(postcssOptions) {
+    configurePostCss(postcssOptions) {
       postcssOptions.plugins.push(
         require('postcss-import'),
         require('tailwindcss'),
@@ -33,6 +33,6 @@ module.exports = function(context, options) {
         })
       );
       return postcssOptions;
-    },*/
+    },
   };
 };