chore: remove duplicate walk func

[ubogdan]

Describe the PR
remove duplicated walk function

Relation issue
NONE

Additional context
NONE

[codecov]

Codecov Report

Merging #1070 (fd830d9) into master (47d0cd2) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1070      +/-   ##
==========================================
- Coverage   94.21%   94.19%   -0.02%     
==========================================
  Files           9        9              
  Lines        2317     2310       -7     
==========================================
- Hits         2183     2176       -7     
  Misses         70       70              
  Partials       64       64              

Impacted Files	Coverage Δ
formater.go	100.00% <100.00%> (ø)
parser.go	92.27% <100.00%> (+0.02%)	⬆️

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