Should remove the minimize option

[NE-SmallTown]

• Operating System: no needed
• Node Version: no needed
• NPM Version: no needed
• webpack Version: no needed
• less-loader Version: no needed

This issue is for a:

• bug
• feature request
• modification request

Code

webpack.config.js

{ loader: 'less-loader',  options: { minimize: true }}

How Do We Reproduce?

See https://github.com/webpack-contrib/less-loader/blob/99aad2171e9784cecef2e7820fb8300698fe7007/src/getOptions.js#L15

Hi, see less/less.js#3318 for more details