Fixes doc formatting issue

[reitermb]

Summary of Changes

A screenshot (pictured) got accidentally inserted to the personas doc somewhere along the line, this removes it and fixes the H1 heading.

(Requesting access | Equipment | # is the screenshot)

[lfrohlich]

Looks good, thanks for fixing

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.65%. Comparing base (25b762b) to head (9bd3deb).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3247   +/-   ##
========================================
  Coverage    90.65%   90.65%           
========================================
  Files          299      299           
  Lines         8490     8490           
  Branches       794      794           
========================================
  Hits          7697     7697           
  Misses         676      676           
  Partials       117      117           

Flag	Coverage Δ
dev-backend	90.38% <ø> (ø)
dev-frontend	92.66% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d9cb995...9bd3deb. Read the comment docs.