Remove rank and let dot do the ranking.

[vanniktech]

No description provided.

[codecov]

Codecov Report

Merging #42 into master will decrease coverage by 0.13%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #42      +/-   ##
============================================
- Coverage     86.97%   86.83%   -0.14%     
+ Complexity       53       52       -1     
============================================
  Files            12       12              
  Lines           284      281       -3     
  Branches         43       42       -1     
============================================
- Hits            247      244       -3     
  Misses           30       30              
  Partials          7        7

Impacted Files	Coverage Δ	Complexity Δ
...niktech/dependency/graph/generator/DotGenerator.kt	97.29% <ø> (-0.11%)	24 <0> (-1)

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