fix: remove &self arg from AccountTransaction::handle_fee

[tdelabro]

fixes: starkware-libs/blockifier#1770

This change is 

[meship-starkware]

Reviewed 1 of 1 files at r1.
Reviewable status: all files reviewed (commit messages unreviewed), all discussions resolved (waiting on @tdelabro)

[meship-starkware]

Reviewed all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @tdelabro)

[meship-starkware]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @tdelabro)

[tdelabro]

@meship-starkware the CI was failing, I rebased on main's latest commit. Let's see if it fixes it. Can you run the CI again please?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.51%. Comparing base (d1aa365) to head (c9cf640).
Report is 306 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #218      +/-   ##
==========================================
- Coverage   76.62%   71.51%   -5.11%     
==========================================
  Files         351       85     -266     
  Lines       37223    10859   -26364     
  Branches    37223    10859   -26364     
==========================================
- Hits        28522     7766   -20756     
+ Misses       6388     2695    -3693     
+ Partials     2313      398    -1915     

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