Remove workaround for COROUTINE_SUSPENDED property

libraries/stdlib/coroutines/js/src/kotlin/coroutines/intrinsics/IntrinsicsJs.kt

@@ -127,6 +127,3 @@ private inline fun <T> createCoroutineFromSuspendFunction(
         }
     }
 }
-
-@SinceKotlin("1.3")
-public actual val COROUTINE_SUSPENDED: Any = CoroutineSingletons.COROUTINE_SUSPENDED

libraries/stdlib/coroutines/jvm/src/kotlin/coroutines/intrinsics/IntrinsicsJvm.kt

@@ -195,12 +195,3 @@ private inline fun <T> createCoroutineFromSuspendFunction(
                 }
         }
 }
-
-/**
- * This value is used as a return value of [suspendCoroutineOrReturn] `block` argument to state that
- * the execution was suspended and will not return any result immediately.
- */
-// It is implemented as property with getter to avoid ProGuard <clinit> problem with multifile IntrinsicsKt class
-@SinceKotlin("1.3")
-public actual val COROUTINE_SUSPENDED: Any
-    get() = CoroutineSingletons.COROUTINE_SUSPENDED

libraries/stdlib/coroutines/src/kotlin/coroutines/intrinsics/Intrinsics.kt

@@ -45,7 +45,7 @@ public suspend inline fun <T> suspendCoroutineUninterceptedOrReturn(crossinline
  */
 // It is implemented as property with getter to avoid ProGuard <clinit> problem with multifile IntrinsicsKt class
 @SinceKotlin("1.3")
-public expect val COROUTINE_SUSPENDED: Any
+public val COROUTINE_SUSPENDED: Any get() = CoroutineSingletons.COROUTINE_SUSPENDED
 
 // Using enum here ensures two important properties:
 //  1. It makes SafeContinuation serializable with all kinds of serialization frameworks (since all of them natively support enums)