build-plugins.js: Remove redundant space

build/build-plugins.js

@@ -73,7 +73,7 @@ Object.keys(bsPlugins)
         globals,
         file: path.resolve(__dirname, `${rootPath}${pluginKey.toLowerCase()}.js`)
       })
-        .then(() => console.log(`Building ${pluginKey} plugin... Done !`))
+        .then(() => console.log(`Building ${pluginKey} plugin... Done!`))
         .catch((err) => console.error(`${pluginKey}: ${err}`))
     })
   })