Temporarily remove disk space check from multi_worker script

There seems to be some kind of complication in this script that doesn't
allow it to terminate properly.

This is being removed for now to allow deploying the rest of the fixes
in time for the holiday period.

scripts/run_multi_worker_app_paas.sh

@@ -3,7 +3,6 @@
 set -e -o pipefail
 
 TERMINATE_TIMEOUT=9
-MAX_DISK_SPACE_USAGE=75
 readonly LOGS_DIR="/home/vcap/logs"
 
 function check_params {
@@ -125,23 +124,6 @@ function ensure_celery_is_running {
   fi
 }
 
-function check_disk_space {
-    # get something like:
-    #
-    # Filesystem     Use%
-    # overlay         56%
-    # tmpfs            0%
-    #
-    # and only keep '56'
-    SPACE_USAGE=$(df --output="source,pcent" | grep overlay | tr --squeeze-repeats " " | cut -f2 -d" "| cut -f1 -d"%")
-
-    if [[ "${SPACE_USAGE}" -ge "${MAX_DISK_SPACE_USAGE}" ]]; then
-        echo "Terminating ${NOTIFY_APP_NAME}, instance ${INSTANCE_INDEX} because we're running out of disk space"
-        echo "Usage: ${SPACE_USAGE}% - limit ${MAX_DISK_SPACE_USAGE}%"
-        exit
-    fi
-}
-
 function run {
   while true; do
     get_celery_pids
@@ -153,7 +135,6 @@ function run {
     done
     kill -0 ${AWSLOGS_AGENT_PID} 2&>/dev/null || start_aws_logs_agent
     kill -0 ${LOGS_TAIL_PID} 2&>/dev/null || start_logs_tail
-    check_disk_space
     sleep 1
   done
 }