Revert dagster-aws-pyspark
Summary:
This reverts commit 146968c6100c8d538f7938990134c79956907dbd.
Revert "create dagster-aws-pyspark library with emr_pyspark_step_launcher"
This reverts commit 0bfc6665cd7602082a826c309b45c7c84d478f4a.
Depends on D4938.
Test Plan: bk
Reviewers: schrockn, cdecarolis
Reviewed By: cdecarolis
Differential Revision: https://dagster.phacility.com/D4940