__netbox{,_gunicorn}: disabled shellcheck warnings

Shellcheck warned about creating content for a python array. As the
string will be printed literally into the config, the warning does not
match to the current case.

type/__netbox/manifest

@@ -38,9 +38,10 @@ export DATABASE_PORT
 # list of hosts
 ALLOWED_HOSTS=""
 while read -r hostname; do
+    # shellcheck disable=SC2089
     ALLOWED_HOSTS="$ALLOWED_HOSTS '$hostname',"
 done < "$__object/parameter/host"
-export ALLOWED_HOSTS
+export ALLOWED_HOSTS  # shellcheck disable=SC2090
 
 if [ -f "$__object/parameter/secret-key" ]; then
     SECRET_KEY=$(cat "$__object/parameter/secret-key")

type/__netbox_gunicorn/manifest

@@ -2,9 +2,10 @@
 
 HOST=""
 while read -r host; do
+    # shellcheck disable=SC2089
     HOST="$HOST '$host',"
 done < "$__object/parameter/bind-to"
-export HOST
+export HOST  # shellcheck disable=SC2090
 
 # process template
 mkdir "$__object/files"