Revert "ethclient: ensure the close of canceled context (ethereum#28349…

…)"

This reverts commit 789c18d.

ethclient/ethclient_test.go

@@ -393,7 +393,6 @@ func testTransactionInBlockInterrupted(t *testing.T, client *rpc.Client) {
  // Test tx in block interrupted.
  ctx, cancel := context.WithCancel(context.Background())
  cancel()
- <-ctx.Done() // Ensure the close of the Done channel
  tx, err := ec.TransactionInBlock(ctx, block.Hash(), 0)
  if tx != nil {
  t.Fatal("transaction should be nil")
@@ -667,7 +666,6 @@ func testTransactionSender(t *testing.T, client *rpc.Client) {
  // TransactionSender. Ensure the server is not asked by canceling the context here.
  canceledCtx, cancel := context.WithCancel(context.Background())
  cancel()
- <-canceledCtx.Done() // Ensure the close of the Done channel
  sender1, err := ec.TransactionSender(canceledCtx, tx1, block2.Hash(), 0)
  if err != nil {
  t.Fatal(err)