There are a lot of logs about "limit executor close takes a long time"

```
# rg "limit executor close takes a long time" tidb.log
12789:[2024/04/19 19:10:22.385 +08:00] [INFO] [executor.go:1424] ["limit executor close takes a long time"] [elapsed=2.107365ms]
12791:[2024/04/19 19:10:22.628 +08:00] [INFO] [executor.go:1424] ["limit executor close takes a long time"] [elapsed=1.822869ms]
12801:[2024/04/19 19:10:23.781 +08:00] [INFO] [executor.go:1424] ["limit executor close takes a long time"] [elapsed=4.897655ms]
...
13561:[2024/04/19 19:15:47.328 +08:00] [INFO] [executor.go:1424] ["limit executor close takes a long time"] [elapsed=1.374016ms]
...

# rg "limit executor close takes a long time" tidb.log | wc
205 2665 25251
```

Look like the log is useless, can we remove it?

TiDB Version

nightly, 72e5460ee85fa06f193e1ad1c346a57247529ee6