Remove strings

scripts/memory-usage

@@ -9,7 +9,7 @@ get_container_memory_use () {
   local container_memory=0
 
   local container_pids=$(docker top "${container}" | tail -n +2 | awk '{print $2}')
-  for pid in "${container_pids}"; do
+  for pid in $container_pids; do
     local pid_memory=$(ps u "${pid}" | awk '{print $4}' | grep -v 'MEM')
     if [[ ! -z "${pid_memory}" ]]; then
       container_memory=$(awk "BEGIN {print ${container_memory}+${pid_memory}}")
@@ -25,7 +25,7 @@ get_app_memory_use () {
   local app_memory=0
 
   local app_containers=$("${UMBREL_ROOT}/scripts/app" compose "${app}" ps | awk '{print $1}' | grep -v 'Name\|-----')
-  for container in "${app_containers}"; do
+  for container in $app_containers; do
     local container_memory=$(get_container_memory_use "${container}")
     app_memory=$(awk "BEGIN {print ${app_memory}+${container_memory}}")
   done