Fix: pipeline failure caused by removed ff

What does this MR do and why?

Fix failed pipeline https://jihulab.com/gitlab-cn/gitlab/-/pipelines/895456 through

• removing useless feature flag
• renaming method expect_to_be_see_company_form to expect_to_see_company_form ( https://gitlab.com/gitlab-org/gitlab/-/commit/aad704bd2a0c8095f8b705c2fc3af845ad06c650#ee1ae7acce33787a2978bc34894e3b878ef6fe74 )
• skipping test on overrided user attribute setting

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.