remove bash requirement in makefile

[techknowlogick]

as title

[codecov-io]

Codecov Report

Merging #6617 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6617      +/-   ##
==========================================
- Coverage   40.48%   40.46%   -0.03%     
==========================================
  Files         406      406              
  Lines       54484    54484              
==========================================
- Hits        22057    22045      -12     
- Misses      29390    29402      +12     
  Partials     3037     3037

Impacted Files	Coverage Δ
models/unit.go	0% <0%> (-14.29%)	⬇️
modules/process/manager.go	76.81% <0%> (-4.35%)	⬇️
modules/log/event.go	64.46% <0%> (-1.53%)	⬇️
routers/repo/view.go	41.08% <0%> (-1%)	⬇️

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