Don't use deprecated functions

[BraisGabin]

We deprecated those functions some time ago so we should not using them.

[codecov]

Codecov Report

Merging #3452 (60c862f) into master (fab88df) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #3452   +/-   ##
=========================================
  Coverage     80.28%   80.28%           
  Complexity     2785     2785           
=========================================
  Files           454      454           
  Lines          8415     8415           
  Branches       1609     1609           
=========================================
  Hits           6756     6756           
  Misses          787      787           
  Partials        872      872           

Impacted Files	Coverage Δ	Complexity Δ
...ab/arturbosch/detekt/cli/DetektProgressListener.kt	83.33% <ø> (ø)	4.00 <0.00> (ø)
...io/gitlab/arturbosch/detekt/core/KtFileModifier.kt	0.00% <ø> (ø)	0.00 <0.00> (ø)
...hub/detekt/metrics/processors/AbstractProcessor.kt	83.33% <ø> (ø)	3.00 <0.00> (ø)
...trics/processors/AbstractProjectMetricProcessor.kt	83.33% <ø> (ø)	3.00 <0.00> (ø)
...detekt/metrics/processors/PackageCountProcessor.kt	91.66% <ø> (ø)	3.00 <0.00> (ø)

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