remove unnecessary argument description in geneScan

[hkim89]

No description provided.

[codecov]

Codecov Report

Merging #33 (01e10ee) into master (9aee18f) will decrease coverage by 0.10%.
The diff coverage is n/a.

❗ Current head 01e10ee differs from pull request most recent head e323264. Consider uploading reports for the commit e323264 to get more accurate results

@@            Coverage Diff             @@
##           master      #33      +/-   ##
==========================================
- Coverage   78.47%   78.37%   -0.11%     
==========================================
  Files          12       12              
  Lines         985      985              
==========================================
- Hits          773      772       -1     
- Misses        212      213       +1     

Impacted Files	Coverage Δ
src/geneScan1D.jl	94.59% <ø> (ø)
src/EcmNestrv.jl	92.46% <0.00%> (-0.40%)	⬇️

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