Revert "[NI] Take into account captured types for type depth computation"

This reverts commit 383c2d1bff.

 It seems this commit causes problems with bootstraping, so it'll be
 investigated and refined later

compiler/resolution/src/org/jetbrains/kotlin/types/TypeApproximator.kt

@@ -470,9 +470,6 @@ internal fun UnwrappedType.typeDepth() =
 
 internal fun SimpleType.typeDepth(): Int {
     if (this is TypeUtils.SpecialType) return 0
-    if (this is NewCapturedType) {
-        return constructor.projection.type.unwrap().typeDepth()
-    }
 
     val maxInArguments = arguments.asSequence().map {
         if (it.isStarProjection) 1 else it.type.unwrap().typeDepth()