### What changes were proposed in this pull request?
To clarify a spark config to work with Celeborn.
### Why are the changes needed?
After some tests, I found that Spark 3.1 and newer can work with Celeborn with `spark.shuffle.service.enabled=true`.
ExternalShuffleBlockResolver won't check the shuffle manager's type since Spark 3.1 and newer.
### Does this PR introduce _any_ user-facing change?
NO.
### How was this patch tested?
I tested two scenarios about this PR.
1. Check whether Spark can release the executors in time.
2. Check data correctness by running TPC-DS.
All checks are good.
Closes#1955 from FMX/CELEBORN-1010.
Authored-by: mingji <fengmingxiao.fmx@alibaba-inc.com>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
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