Revert D1475 and D1478

Authored by schrockn on Nov 26 2019, 6:11 PM.


Revert D1475 and D1478

The first stab at driving graphql queries using the serializable format
caused a massive performance regression in config editor performance. I am reverting
in master for now while I figure out my path forwward

Test Plan: Load the airline pipelines. See reasonable performance.

Reviewers: max, alangenfeld

Reviewed By: alangenfeld

Differential Revision: https://dagster.phacility.com/D1492