Fix the review app make file (#453)

# What is the change?

I accidentally made a change which I thought was correct but in fact
caused the "review" environment (not the PR-123 part) of the CD pipeline
to fail. This PR reverts it back to what it perviously (correctly) was.

<!-- Describe the intended changes. -->

# Why are we making this change?

<!-- Why is this change required? What problem does it solve? -->

Author: mrlockstar

scripts/terraform/terraform.mk

@@ -30,7 +30,6 @@ prod: # Target the prod environment - make prod <action>
 review: # Target the review infrastructure, or a review app if PR_NUMBER is used - make review <action> [PR_NUMBER=<pr_number>]
 	$(eval include infrastructure/environments/review/variables.sh)
 	$(if ${PR_NUMBER}, $(eval export TF_VAR_deploy_infra=false), $(eval export TF_VAR_deploy_container_apps=true))
-	$(if ${PR_NUMBER},,$(eval export TF_VAR_deploy_container_apps=false))
 	$(if ${PR_NUMBER}, $(eval export ENVIRONMENT=pr-${PR_NUMBER}), $(eval export ENVIRONMENT=review))
 
 db-setup: