refactor!: change bids and lists to use 1 dummy instead of 2

[jadwahab]

Move out 2 dummy code into separate file. Not sure whether to keep or just remove. Kept for now.

[codecov-commenter]

Codecov Report

Patch coverage: 60.47% and project coverage change: -0.19 ⚠️

Comparison is base (da68c79) 80.80% compared to head (c85e49c) 80.61%.

❗ Current head c85e49c differs from pull request most recent head 07f43a3. Consider uploading reports for the commit 07f43a3 to get more accurate results

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #149      +/-   ##
==========================================
- Coverage   80.80%   80.61%   -0.19%     
==========================================
  Files          37       38       +1     
  Lines        3985     4112     +127     
==========================================
+ Hits         3220     3315      +95     
  Misses        546      546              
- Partials      219      251      +32     

Impacted Files	Coverage Δ
ord/2dummies.go	51.77% <56.52%> (ø)
ord/bid.go	59.57% <59.57%> (ø)
ord/list.go	54.43% <68.42%> (ø)
bscript/script.go	66.78% <75.00%> (+7.19%)	⬆️

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