ARROW-9800: [Rust][Parquet] Remove println! when writing column statistics
ARROW-9800: [Rust][Parquet] Remove println! when writing column statistics

Prior to this PR,  the following output is printed during local execution of a test:

```
min: [0] 1
max: [1] 1
min: [0] 1
max: [1] 1
min: [0] 1
max: [1] 1
min: [0] 1
max: [1] 1
min: [0] 1
max: [1] 1
min: [0] 1
max: [1] 1
```
It appears to have been introduced in https://github.com/apache/arrow/commit/12b30dda1a23bad70e5b11b8cef845d0effd01d4 / https://github.com/apache/arrow/pull/7622, likely mistakenly. FYI @zeevm and @sunchao

Closes #8006 from alamb/alamb/ARROW-9800-println

Authored-by: alamb <02e0a999c50b1f88df7a8f5a04e1b76b35ea6a88@nerdnetworks.org>
Signed-off-by: Andy Grove <f68909d51919859739a1c5d24450a2cc1026e93b@gmail.com>

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