Uncomment new SinceKotlin and remove obsolete warning suppressions

libraries/stdlib/jvm/runtime/kotlin/jvm/annotations/JvmPlatformAnnotations.kt

@@ -140,7 +140,6 @@ public actual annotation class JvmWildcard
  * Adding and removing the annotation is binary incompatible change, since inline classes' methods and functions with inline classes
  * in their signature are mangled.
  */
-@Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
 @Target(AnnotationTarget.CLASS)
 @Retention(AnnotationRetention.RUNTIME)
 @MustBeDocumented
@@ -150,7 +149,6 @@ public actual annotation class JvmInline
 /**
  * Instructs compiler to mark the class as a record and generate relevant toString/equals/hashCode methods
  */
-@Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
 @Target(AnnotationTarget.CLASS)
 @Retention(AnnotationRetention.SOURCE)
 @MustBeDocumented

libraries/stdlib/jvm/runtime/kotlin/jvm/internal/RepeatableContainer.java

@@ -5,6 +5,8 @@
 
 package kotlin.jvm.internal;
 
+import kotlin.SinceKotlin;
+
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -12,6 +14,6 @@ import java.lang.annotation.Target;
 
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.ANNOTATION_TYPE)
-// @SinceKotlin(version = "1.6")
+@SinceKotlin(version = "1.6")
 public @interface RepeatableContainer {
 }

libraries/stdlib/jvm/runtime/kotlin/jvm/internal/TypeReference.kt

@@ -3,18 +3,16 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
-
 package kotlin.jvm.internal
 
 import kotlin.reflect.*
 
 @SinceKotlin("1.4")
-public class TypeReference /* @SinceKotlin("1.6") constructor */(
+public class TypeReference @SinceKotlin("1.6") constructor(
     override val classifier: KClassifier,
     override val arguments: List<KTypeProjection>,
-    /* @SinceKotlin("1.6") */ internal val platformTypeUpperBound: KType?,
-    /* @SinceKotlin("1.6") */ internal val flags: Int,
+    @SinceKotlin("1.6") internal val platformTypeUpperBound: KType?,
+    @SinceKotlin("1.6") internal val flags: Int,
 ) : KType {
     constructor(
         classifier: KClassifier,