refactor: remove iframeLogin from meteor

[juliajforesti]

ARCH-1611

Proposed changes (including videos or screenshots)

Issue(s)

Steps to test or reproduce

Configure iframe auth and ensure login works

Further comments

[dionisio-bot]

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Latest commit: a1388c0

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[codecov]

Codecov Report

Attention: Patch coverage is 41.66667% with 49 lines in your changes missing coverage. Please review.

Project coverage is 64.94%. Comparing base (db04086) to head (a1388c0).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #36022   +/-   ##
========================================
  Coverage    64.94%   64.94%           
========================================
  Files         3112     3111    -1     
  Lines        93753    93767   +14     
  Branches     17810    17808    -2     
========================================
+ Hits         60884    60900   +16     
  Misses       30080    30080           
+ Partials      2789     2787    -2     

Flag	Coverage Δ
e2e	58.41% <41.66%> (-0.02%)	⬇️
unit	71.65% <ø> (+0.03%)	⬆️

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