Delete old account data (PSG-635)

[alfogrillo]

Description

This PR removes from the user's account_data device information that are outdated.
For more context see this MSC.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[gileluard]

lgtm

[codecov]

Codecov Report

Base: 11.75% // Head: 11.75% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (c4219ad) compared to base (7170daa).
Patch coverage: 41.93% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7164   +/-   ##
========================================
  Coverage    11.75%   11.75%           
========================================
  Files         1621     1621           
  Lines       159477   159504   +27     
  Branches     64950    64964   +14     
========================================
+ Hits         18743    18753   +10     
- Misses      140095   140112   +17     
  Partials       639      639           

Flag	Coverage Δ
uitests	54.67% <ø> (ø)
unittests	5.99% <41.93%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...w/Service/MatrixSDK/UserSessionsDataProvider.swift	40.29% <41.93%> (+2.46%)	⬆️
...ojiPicker/Data/EmojiMart/EmojiItem+EmojiMart.swift	95.34% <0.00%> (-0.31%)	⬇️

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