chore: move contract class structs to common

[ArniStarkware]

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[ArniStarkware]

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• chore: move contract class structs to common #451 👈
• chore: remove redundent try_from methods for declare transaction #434 : 3 other dependent PRs (#433 , #435 , #436 )
• chore: organize methods such that public methods are at bottom #432
• main

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[codecov]

Codecov Report

Attention: Patch coverage is 87.03704% with 21 lines in your changes missing coverage. Please review.

Project coverage is 76.73%. Comparing base (ce82441) to head (8945659).
Report is 15 commits behind head on arni/contract_class_refactor/remove_redundent_try_from_methods.

Files	Patch %	Lines
crates/common/src/contract_class.rs	92.23%	1 Missing and 7 partials ⚠️
...ates/starknet_api/src/deprecated_contract_class.rs	69.23%	1 Missing and 7 partials ⚠️
crates/blockifier/src/execution/contract_class.rs	83.87%	2 Missing and 3 partials ⚠️

Additional details and impacted files

@@                                        Coverage Diff                                         @@
##           arni/contract_class_refactor/remove_redundent_try_from_methods     #451      +/-   ##
==================================================================================================
+ Coverage                                                           76.64%   76.73%   +0.09%     
==================================================================================================
  Files                                                                 346      347       +1     
  Lines                                                               36254    36215      -39     
  Branches                                                            36254    36215      -39     
==================================================================================================
+ Hits                                                                27787    27790       +3     
+ Misses                                                               6165     6125      -40     
+ Partials                                                             2302     2300       -2     

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[github-actions]

Benchmark movements:
tree_computation_flow performance improved 😺
tree_computation_flow time: [64.840 ms 64.948 ms 65.074 ms]
change: [-7.0866% -3.8243% -1.0773%] (p = 0.01 < 0.05)
Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
3 (3.00%) high mild
4 (4.00%) high severe

[github-actions]

Benchmark movements:
tree_computation_flow performance improved 😺
tree_computation_flow time: [65.377 ms 65.439 ms 65.508 ms]
change: [-9.0107% -5.6004% -2.6578%] (p = 0.00 < 0.05)
Performance has improved.
Found 3 outliers among 100 measurements (3.00%)
1 (1.00%) high mild
2 (2.00%) high severe

[ArniStarkware]

When reviewing this PR focus on the files contract_class.rs.

Reviewable status: 0 of 51 files reviewed, all discussions resolved (waiting on @dafnamatsry and @noaov1)

[ArniStarkware]

We will not create the common crate for this project.