Remove color select on maps document layer setting

[junqiu-lei]

Description

Remove color select on maps document layer setting

local test

       Spec                                              Tests  Passing  Failing  Pending  Skipped  
  ┌────────────────────────────────────────────────────────────────────────────────────────────────┐
  │ ✔  plugins/custom-import-map-dashboard      01:54        2        2        -        -        - │
  │    s/documentsLayer.spec.js                                                                    │
  └────────────────────────────────────────────────────────────────────────────────────────────────┘
    ✔  All specs passed!                        01:54        2        2        -        -        -  

Check List

• Commits are signed per the DCO using --signoff

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[SuZhou-Joe]

@junqiu-lei Seems that the commit is made without -s to signoff, could you please follow the steps described in DCO flow to fix?

[junqiu-lei]

Closing it as #938 resolved the issue