unify the parameter order; remove 'convenvience' method with unnecess…

[swissiety]

…ary mix of layers Signatures<->SootClass

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (62a1d02) 65.37% compared to head (5f6a1cd) 65.37%.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #720   +/-   ##
==========================================
  Coverage      65.37%   65.37%           
  Complexity      3407     3407           
==========================================
  Files            313      313           
  Lines          14974    14973    -1     
  Branches        2524     2524           
==========================================
  Hits            9789     9789           
+ Misses          4295     4294    -1     
  Partials         890      890           

Files	Coverage Δ
...n/java/sootup/java/core/JavaIdentifierFactory.java	83.50% <100.00%> (+0.42%)	⬆️
.../sootup/java/core/JavaModuleIdentifierFactory.java	98.14% <ø> (ø)
...java/sourcecode/frontend/InstructionConverter.java	92.27% <100.00%> (ø)

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