Github user 1ambda commented on the issue:
https://github.com/apache/zeppelin/pull/1805
@Leemoonsoo
### Remove `console.log` in dist
I missed it. Previously, grunt stripped all `console.log` using this config
```
uglify: {
...
'drop_console': true
...
```
So i added [strip-loader](https://github.com/yahoo/strip-loader) to achieve
same behavior while building in 5e1696f
### About Size
```
## before
-rw-r--r-- 1 lambda staff 113K Dec 28 11:33 scripts.1546a550da5ec483.js
## after
-rw-r--r-- 1 lambda staff 116K Dec 28 12:36 app.f4ebf1a368629b338f2d.js
```
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