refact(core): moves TokenInfo and TokenInfoVersion to a test_tokens.py

[raul-oliveira]

Motivation

Address the refactor comment made by @glevco

Acceptance Criteria

• TokenInfo and TokenInfoVersion must be outside the Transaction class

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[github-actions]

Bencher Report

Branch	raul-oliveira/token-info-refactor
Testbed	ubuntu-22.04

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Benchmark	Latency	Benchmark Result minutes (m) (Result Δ%)	Lower Boundary minutes (m) (Limit %)	Upper Boundary minutes (m) (Limit %)
sync-v2 (up to 20000 blocks)	📈 view plot 🚷 view threshold	1.65 m (+1.19%) Baseline: 1.63 m	1.47 m (88.95%)	1.80 m (91.99%)

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[codecov]

Codecov Report

Attention: Patch coverage is 95.68966% with 5 lines in your changes missing coverage. Please review.

Project coverage is 84.16%. Comparing base (3884dc3) to head (b42a07b).

Files with missing lines	Patch %	Lines
hathor/transaction/token_creation_tx.py	78.57%	2 Missing and 1 partial ⚠️
hathor/transaction/fee.py	95.34%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1260   +/-   ##
=======================================
  Coverage   84.15%   84.16%           
=======================================
  Files         311      313    +2     
  Lines       23869    23952   +83     
  Branches     3651     3669   +18     
=======================================
+ Hits        20088    20160   +72     
- Misses       3065     3073    +8     
- Partials      716      719    +3     

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