Remove duplicate Dijkstra implementation in others directory

[Sim20004]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new algorithms include a corresponding test class that validates their functionality.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.22%. Comparing base (e3692c7) to head (ea09d87).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7500      +/-   ##
============================================
+ Coverage     79.91%   80.22%   +0.30%     
  Complexity     7353     7353              
============================================
  Files           811      810       -1     
  Lines         23879    23785      -94     
  Branches       4705     4678      -27     
============================================
- Hits          19084    19082       -2     
+ Misses         4035     3942      -93     
- Partials        760      761       +1     

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