B2B-1747: [UPDATE] account hierarchy endpoints

[JamessenLiu]

B2B-1747

What changed?

This PR makes some modifications based on 685.

• Modified the delete child company endpoint. commit
• Used new error response for new endpoints commit

Release notes draft

N/A

Anything else?

N/A

[JamessenLiu]

Hi, @bc-traciporter
We made some updates for B2B company hierarchy docs, base on PR 685.
Commits are:

• Modified the delete child company endpoint. commit
• Used new error response for new endpoints commit

Can you put these update to Beta doc?

[bc-traciporter]

Hello @JamessenLiu I made the updates you requested. They should appear in the beta docs. For some reason, they are not showing up at moment. I will keep checking.

[JamessenLiu]

Hi, @bc-traciporter
Thanks you! I closed this PR to prevent it from being accidentally merged into the main branch.

[bc-traciporter]

Thank you @JamessenLiu for closing the PR. I see that the changes are displaying now. Can you take a look?
https://developer.bigcommerce.com/beta/b2b-edition-beta/rest-management/company

[bc-traciporter]

Also @JamessenLiu , unfortunately I need to move on to other projects. @bc-terra and @bc-Vince will take over devdocs B2B documentation. Please ping them if you have any questions.