remove duplicated account check and test

[fedekunze]

• 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: sdkch add [section] [stanza] [message]

• rereviewed Files changed in the github PR explorer

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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]

Apologies @fedekunze, but I think #3960 addressed this. Can you verify?

[codecov]

Codecov Report

Merging #4068 into develop will decrease coverage by 0.17%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #4068      +/-   ##
===========================================
- Coverage    60.01%   59.83%   -0.18%     
===========================================
  Files          212      212              
  Lines        15107    15158      +51     
===========================================
+ Hits          9066     9070       +4     
- Misses        5420     5444      +24     
- Partials       621      644      +23