fix(cli-service): remove highlight config output

[fz6m]

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• Code style update
• Refactor
• Docs
• Underlying tools
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes
• No

Other information:

    vue inspect > output.js

{
  �[36mmode�[39m: �[31m'production'�[39m,
  �[36mcontext�[39m: �[31m'D:\\Project\\vue\\vue-config-demo'�[39m,
  �[36mdevtool�[39m: �[31m'source-map'�[39m,
  �[36mnode�[39m: {
    �[36msetImmediate�[39m: �[34mfalse�[39m,

   // ......

The output of utf-16 by default will produce unintelligible code.

[IndexXuan]

+1, vue inspect > webpack.dev.js is not readable ...
@sodatea

[IndexXuan]

  "resolutions": {
    "cli-highlight": "2.1.4"
  },

works
@fz6m @sodatea

[IndexXuan]

felixfbecker/cli-highlight@7384705
it breaks vue inspect

[felixfbecker]

Sorry for the inconvenience, auto-detected color support should be respected in v2.1.9 felixfbecker/cli-highlight@988d209

[fangbinwei]

Thanks! Close it, since it has been solved in cli-highlight v2.1.9 with the help of @felixfbecker .