Remove old pagination system of editoast

[leovalais]

We had to wait for the removal of TSV1 and here we are.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.87%. Comparing base (7137459) to head (7366f5d).
Report is 15 commits behind head on dev.

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #8662      +/-   ##
============================================
- Coverage     36.87%   36.87%   -0.01%     
  Complexity     2177     2177              
============================================
  Files          1255     1255              
  Lines        113689   113709      +20     
  Branches       3203     3203              
============================================
+ Hits          41928    41935       +7     
- Misses        69866    69879      +13     
  Partials       1895     1895              

Flag	Coverage Δ
core	74.79% <ø> (ø)
editoast	71.75% <ø> (+<0.01%)	⬆️
front	14.96% <ø> (-0.01%)	⬇️
gateway	2.20% <ø> (ø)
osrdyne	2.71% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	86.45% <ø> (ø)

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[Castavo]

Looks good to me

[flomonster]

LGTM