JVM_IR: remove two outdated comments

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt

@@ -51,8 +51,6 @@ internal val addContinuationPhase = makeIrFilePhase(
 
 private class AddContinuationLowering(context: JvmBackendContext) : SuspendLoweringUtils(context), FileLoweringPass {
     override fun lower(irFile: IrFile) {
-        // This should be done after converting lambdas into classes to avoid breaking the invariant that
-        // each lambda is referenced at most once while creating `$$forInline` methods.
         addContinuationObjectAndContinuationParameterToSuspendFunctions(irFile)
         addContinuationParameterToSuspendCalls(irFile)
     }

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SuspendLambdaLowering.kt

@@ -283,7 +283,6 @@ private class SuspendLambdaLowering(context: JvmBackendContext) : SuspendLowerin
     private fun IrBlockBodyBuilder.callInvokeSuspend(invokeSuspend: IrSimpleFunction, lambda: IrExpression): IrExpression =
         irCallOp(invokeSuspend.symbol, invokeSuspend.returnType, lambda, irUnit())
 
-    // Primary constructor accepts parameters equal to function reference arguments + continuation and sets the fields.
     private fun IrClass.addPrimaryConstructorForLambda(superClass: IrClass, arity: Int): IrConstructor =
         addConstructor {
             origin = JvmLoweredDeclarationOrigin.SUSPEND_LAMBDA