Revert "chore(nimbus): decrease integration test celery timing (#5887)" (#5963)

This reverts commit 32b83147ec.

.env.integration-tests

@@ -1,7 +1,7 @@
 BUGZILLA_API_KEY=
 BUGZILLA_CC_LIST=
 BUGZILLA_HOST=https://bugzilla.allizom.org/
-CELERY_SCHEDULE_INTERVAL=5
+CELERY_SCHEDULE_INTERVAL=30
 COMPOSE_HTTP_TIMEOUT=120
 DB_HOST=db
 DB_NAME=postgres
@@ -27,7 +27,7 @@ HOSTNAME=localhost
 KINTO_HOST=http://kinto:8888/v1
 KINTO_PASS=experimenter
 KINTO_USER=experimenter
-KINTO_REVIEW_TIMEOUT=10
+KINTO_REVIEW_TIMEOUT=60
 LOGGING_CONSOLE_LEVEL=INFO
 LOGGING_USE_JSON=False
 NORMANDY_API_HOST=