Clean up Configuration initialization in scio-parquet

[clairemcginty]

No description provided.

[codecov]

Codecov Report

Merging #4791 (6e6a868) into main (1620aec) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 6e6a868 differs from pull request most recent head 1ecbae4. Consider uploading reports for the commit 1ecbae4 to get more accurate results

@@           Coverage Diff           @@
##             main    #4791   +/-   ##
=======================================
  Coverage   61.25%   61.25%           
=======================================
  Files         286      286           
  Lines       10568    10570    +2     
  Branches      767      772    +5     
=======================================
+ Hits         6473     6475    +2     
  Misses       4095     4095           

Impacted Files	Coverage Δ
...rquet/types/dynamic/syntax/SCollectionSyntax.scala	87.50% <ø> (ø)
.../com/spotify/scio/parquet/avro/ParquetAvroIO.scala	87.71% <100.00%> (ø)
...arquet/avro/dynamic/syntax/SCollectionSyntax.scala	92.30% <100.00%> (ø)
.../main/scala/com/spotify/scio/parquet/package.scala	71.42% <100.00%> (+2.19%)	⬆️
...ify/scio/parquet/tensorflow/ParquetExampleIO.scala	89.02% <100.00%> (ø)
.../tensorflow/dynamic/syntax/SCollectionSyntax.scala	88.88% <100.00%> (ø)
...com/spotify/scio/parquet/types/ParquetTypeIO.scala	98.59% <100.00%> (ø)