Remove obsolete @OptIn(ExperimentalStdlibApi::class) annotations

They were added when `buildList`, `buildMap` and `buildSet` were experimental.

^KT-62510

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/ChangeBoxingMethodTransformer.kt

@@ -20,7 +20,6 @@ import org.jetbrains.org.objectweb.asm.tree.MethodNode
 private val BOXING_CLASS_INTERNAL_NAME =
     StandardNames.COROUTINES_JVM_INTERNAL_PACKAGE_FQ_NAME.child(Name.identifier("Boxing")).topLevelClassInternalName()
 
-@OptIn(ExperimentalStdlibApi::class)
 object ChangeBoxingMethodTransformer : MethodTransformer() {
     private val wrapperToInternalBoxing: Map<String, String>
 

compiler/frontend.common-psi/src/org/jetbrains/kotlin/diagnostics/LightTreePositioningStrategies.kt

@@ -1154,7 +1154,6 @@ object LightTreePositioningStrategies {
         }
     }
 
-    @OptIn(ExperimentalStdlibApi::class)
     val COMMAS: LightTreePositioningStrategy = object : LightTreePositioningStrategy() {
         override fun mark(
             node: LighterASTNode,

compiler/frontend.common-psi/src/org/jetbrains/kotlin/diagnostics/PositioningStrategies.kt

@@ -1015,7 +1015,6 @@ object PositioningStrategies {
         }
     }
 
-    @OptIn(ExperimentalStdlibApi::class)
     val COMMAS: PositioningStrategy<PsiElement> = object : PositioningStrategy<PsiElement>() {
         override fun mark(element: PsiElement): List<TextRange> {
             return buildList {

compiler/frontend/src/org/jetbrains/kotlin/cfg/WhenChecker.kt

@@ -227,7 +227,6 @@ internal abstract class WhenOnClassExhaustivenessChecker : WhenExhaustivenessChe
 }
 
 private object WhenOnEnumExhaustivenessChecker : WhenOnClassExhaustivenessChecker() {
-    @OptIn(ExperimentalStdlibApi::class)
     override fun getMissingCases(
         expression: KtWhenExpression,
         context: BindingContext,
@@ -248,7 +247,6 @@ private object WhenOnEnumExhaustivenessChecker : WhenOnClassExhaustivenessChecke
 }
 
 internal object WhenOnSealedExhaustivenessChecker : WhenOnClassExhaustivenessChecker() {
-    @OptIn(ExperimentalStdlibApi::class)
     override fun getMissingCases(
         expression: KtWhenExpression,
         context: BindingContext,

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tower/ResolvedAtomCompleter.kt

@@ -455,7 +455,6 @@ class ResolvedAtomCompleter(
         )
     }
 
-    @OptIn(ExperimentalStdlibApi::class)
     private fun KotlinType.replaceFunctionTypeArgumentsByDescriptor(descriptor: CallableDescriptor) =
         when (descriptor) {
             is CallableMemberDescriptor -> {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/MemoizedMultiFieldValueClassReplacements.kt

@@ -466,7 +466,6 @@ class MemoizedMultiFieldValueClassReplacements(
         }
     }
 
-    @OptIn(ExperimentalStdlibApi::class)
     private fun verifyStructureCompatibility(
         targetStructure: List<RemappedParameter>,
         sourceStructure: List<RemappedParameter>

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ScriptGenerator.kt

@@ -43,7 +43,6 @@ import org.jetbrains.kotlin.resolve.calls.util.isSingleUnderscore
 import org.jetbrains.kotlin.utils.addIfNotNull
 
 internal class ScriptGenerator(declarationGenerator: DeclarationGenerator) : DeclarationGeneratorExtension(declarationGenerator) {
-    @OptIn(ExperimentalStdlibApi::class)
     fun generateScriptDeclaration(ktScript: KtScript): IrDeclaration? {
         val descriptor = getOrFail(BindingContext.DECLARATION_TO_DESCRIPTOR, ktScript) as ScriptDescriptor
 

compiler/resolution.common.jvm/src/org/jetbrains/kotlin/load/java/structure/impl/classFiles/Annotations.kt

@@ -160,7 +160,6 @@ class BinaryJavaAnnotation private constructor(
             return annotationVisitor
         }
 
-        @OptIn(ExperimentalStdlibApi::class)
         private fun translatePath(path: TypePath) = buildList {
             for (i in 0 until path.length) {
                 when (val step = path.getStep(i)) {

core/compiler.common.jvm/src/org/jetbrains/kotlin/load/java/Jsr305Settings.kt

@@ -12,7 +12,6 @@ data class Jsr305Settings(
     val migrationLevel: ReportLevel? = null,
     val userDefinedLevelForSpecificAnnotation: Map<FqName, ReportLevel> = emptyMap()
 ) {
-    @OptIn(ExperimentalStdlibApi::class)
     val description by lazy {
         buildList {
             add(globalLevel.description)

core/compiler.common/src/org/jetbrains/kotlin/descriptors/Visibilities.kt

@@ -52,7 +52,6 @@ object Visibilities {
         }
     }
 
-    @OptIn(ExperimentalStdlibApi::class)
     private val ORDERED_VISIBILITIES: Map<Visibility, Int> = buildMap {
         put(PrivateToThis, 0)
         put(Private, 0)