Kill "[[ ! -z " with fire

General MR

Summary

Improves the readability of 5 conditionals.

Why

We have users that will read this script, and we weren't raised by wolves.

For Issue

Closes #1562 (closed)

Relevant logs/screenshots

A deployment finished without errors:

changed milestone to %2.5.0

added bigbang statusreview + 1 deleted label

requested review from @ryan.j.garcia and @chris.oconnell

assigned to @ben.francis

changed the description

approved this merge request

merged

mentioned in commit 6d2c3041