chore: remove repetitive words

[xinhangzhou]

Fixes #

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.78%. Comparing base (50eaf6c) to head (a2b0c58).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1255   +/-   ##
=======================================
  Coverage   74.78%   74.78%           
=======================================
  Files         143      143           
  Lines       16200    16200           
=======================================
  Hits        12115    12115           
  Misses       3148     3148           
  Partials      937      937           

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[neolynx]

thanks !