Remove obsolete workaround

Author: qwwdfsad

kotlinx-coroutines-core/js/test/TestBase.kt

@@ -15,7 +15,6 @@ public actual typealias TestResult = Promise<Unit>
 
 public actual val isNative = false
 
-@Suppress("NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS") // Counterpart for @Suppress("ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS")
 public actual open class TestBase actual constructor() {
     public actual val isBoundByJsTestTimeout = true
     private var actionIndex = 0

kotlinx-coroutines-core/jvm/test/TestBase.kt

@@ -55,8 +55,6 @@ public actual typealias TestResult = Unit
  * ```
  */
 @Suppress(
-    // Counterpart for @Suppress("ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS")
-    "NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS",
     // fixme replace the suppress with AllowDifferentMembersInActual once stdlib is updated to 1.9.20 https://github.com/Kotlin/kotlinx.coroutines/issues/3846
     "ACTUAL_CLASSIFIER_MUST_HAVE_THE_SAME_MEMBERS_AS_NON_FINAL_EXPECT_CLASSIFIER"
 )

kotlinx-coroutines-core/native/test/TestBase.kt

@@ -15,7 +15,6 @@ public actual val isNative = true
 @Suppress("ACTUAL_WITHOUT_EXPECT")
 public actual typealias TestResult = Unit
 
-@Suppress("NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS") // Counterpart for @Suppress("ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS")
 public actual open class TestBase actual constructor() {
     public actual val isBoundByJsTestTimeout = false
     private var actionIndex = atomic(0)