style: include needless_raw_strings

[vil02]

Pull Request Template

Description

This PR removes needless_raw_strings from the list of from the list of suppressed lints.

Continuation of #743. Related to #871.

Checklist:

• I ran bellow commands using the latest version of rust nightly.
• I ran cargo clippy --all -- -D warnings just before my last commit and fixed any issue that was found.
• I ran cargo fmt just before my last commit.
• I ran cargo test just before my last commit and all tests passed.
• I added my algorithm to the corresponding mod.rs file within its own folder, and in any parent folder(s).
• I added my algorithm to DIRECTORY.md with the correct link.
• I checked COUNTRIBUTING.md and my code follows its guidelines.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.49%. Comparing base (c43c518) to head (c38d1b8).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #873   +/-   ##
=======================================
  Coverage   95.49%   95.49%           
=======================================
  Files         316      316           
  Lines       22919    22919           
=======================================
  Hits        21887    21887           
  Misses       1032     1032           

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