update LCD submit delegation doc to match v0.34

[kwunyeung]

fix #4406

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry: clog add [section] [stanza] [message]

• rereviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[alexanderbez]

ACK

[alexanderbez]

@kwunyeung can you please run make update-swagger-docs to update the built swagger file please?

[codecov]

Codecov Report

Merging #4445 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4445   +/-   ##
=======================================
  Coverage   54.58%   54.58%           
=======================================
  Files         248      248           
  Lines       15967    15967           
=======================================
  Hits         8716     8716           
  Misses       6617     6617           
  Partials      634      634

[codecov]

Codecov Report

Merging #4445 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4445   +/-   ##
=======================================
  Coverage   54.58%   54.58%           
=======================================
  Files         248      248           
  Lines       15967    15967           
=======================================
  Hits         8716     8716           
  Misses       6617     6617           
  Partials      634      634