Remove app info field

[fractalwrench]

Goal

Removes the legacy app info field. This is targeting an integration branch so won't be merged down to master just yet.

Testing

Relied on existing test coverage

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.93%. Comparing base (319b76d) to head (1d17239).

Additional details and impacted files

@@                   Coverage Diff                    @@
##           remove-version-field     #891      +/-   ##
========================================================
+ Coverage                 80.89%   80.93%   +0.03%     
========================================================
  Files                       435      435              
  Lines                     11613    11610       -3     
  Branches                   1766     1766              
========================================================
+ Hits                       9394     9396       +2     
+ Misses                     1439     1435       -4     
+ Partials                    780      779       -1     

Files	Coverage Δ
...brace/android/embracesdk/payload/SessionMessage.kt	100.00% <ø> (ø)
...acesdk/session/message/V1PayloadMessageCollator.kt	96.55% <ø> (-0.04%)	⬇️
...acesdk/session/message/V2PayloadMessageCollator.kt	83.50% <ø> (-0.17%)	⬇️

... and 2 files with indirect coverage changes

[bidetofevil]

LGTM