fix(doc):rm docker build and optimization steps(#389)

[zsp108]

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Summary about this PR

Issue Number: close #389

Tests Check List

• [ ] Unit test
• [ ] Integration test
• [ ] Manual test (add detailed scripts or steps below)
• [x] No code

Changelog

• [ ] New Feature
• [ ] Bug Fix
• [ ] Improvement
• [ ] Performance Improvement
• [ ] Build/Testing/CI/CD
• [x] Documentation
• [ ] Not for changelog (changelog entry is not required)

Documentation

• [x] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features

[mergify[bot]]

This pull request's title should follow requirements next. @zsp108 please check it :point_down:.

Valid format:

fix(vc): fix sth..... (#3306)
  ^         ^---------^  ^----^
  |         |            |
  |         +            +-> you issue id.
  |         |
  |         +-> Summary in present tense.
  |
  +-------> Type: feat, fix, docs, workflow, style, refactor, test, website, chore

Valid types:

• feat: new feature for stonedb
• fix: bug fix for stonedb
• docs: changes to the documentation
• workflow: ci/cd in .github
• refactor: refactoring production code, eg. renaming a variable
• style: formatting, missing semi colons, etc; no production code change
• test: adding missing tests, refactoring tests; no production code change
• website
• chore: updating grunt tasks etc; no production code change

[mergify[bot]]

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Please review the labels and make any necessary changes.