Remove obsolete FeatureInAlphaState opt in

[3flex]

Clean up after #5044

[codecov]

Codecov Report

Merging #5099 (fb84740) into main (df89759) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #5099   +/-   ##
=========================================
  Coverage     84.92%   84.92%           
  Complexity     3605     3605           
=========================================
  Files           502      502           
  Lines         11873    11873           
  Branches       2227     2227           
=========================================
  Hits          10083    10083           
  Misses          691      691           
  Partials       1099     1099           

Impacted Files	Coverage Δ
...osch/detekt/formatting/wrappers/CommentWrapping.kt	100.00% <ø> (ø)
...urbosch/detekt/formatting/wrappers/FinalNewline.kt	100.00% <ø> (ø)
...bosch/detekt/formatting/wrappers/ImportOrdering.kt	100.00% <ø> (ø)
...turbosch/detekt/formatting/wrappers/Indentation.kt	100.00% <ø> (ø)
...urbosch/detekt/formatting/wrappers/KdocWrapping.kt	100.00% <ø> (ø)
...ch/detekt/formatting/wrappers/MaximumLineLength.kt	100.00% <ø> (ø)
...ch/detekt/formatting/wrappers/NoWildcardImports.kt	100.00% <ø> (ø)
...etekt/formatting/wrappers/ParameterListWrapping.kt	100.00% <ø> (ø)
...rbosch/detekt/formatting/wrappers/TrailingComma.kt	100.00% <ø> (ø)
...pers/UnnecessaryParenthesesBeforeTrailingLambda.kt	100.00% <ø> (ø)

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