[FLINK-8515] update RocksDBMapState to replace deprecated remove() with delete() #5365
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What is the purpose of the change
RocksDBMapState is currently using
rocksdb#remove()
which is deprecated. Should be replaced withrocksdb#delete()
Brief change log
update RocksDBMapState to replace deprecated remove() with delete()
Verifying this change
This change is already covered by existing tests, such as
StateBackendTestBase#testMapState()
Does this pull request potentially affect one of the following parts:
none
Documentation
none