style: include redundant_else

[vil02]

Pull Request Template

Description

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

Continuation of #743.

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

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 95.49%. Comparing base (a11736a) to head (d906aae).

Files with missing lines	Patch %	Lines
src/general/kmeans.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #860   +/-   ##
=======================================
  Coverage   95.48%   95.49%           
=======================================
  Files         316      316           
  Lines       22925    22922    -3     
=======================================
- Hits        21891    21889    -2     
+ Misses       1034     1033    -1     

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