dns_del_acmedns should not be identical to dns_add_acmedns

For now, acme-dns does not provide a delete API service.
Its strategy is to update an existing record.
So this call isn't relevant and must be neutral.

dns_scripts/dns_del_acmedns

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-# Need to add your API user and key below or set as env variable
-apiuser=${ACMEDNS_API_USER:-''}
-apikey=${ACMEDNS_API_KEY:-''}
-apisubdomain=${ACMEDNS_SUBDOMAIN:-''}
 
-# This script adds a token to acme-dns.io DNS for the ACME challenge
-# usage dns_add_acme-dns "domain name" "token"
+# This script aims to delete a token to acme-dns DNS for the ACME challenge
+# However, for now, acme-dns does not provide a delete API service.
+# Its strategy is to update an existing record.
+# So this call isn't relevant and must be neutral.
+
+# usage dns_del_acmedns "domain name" "token"
 # return codes are;
 # 0 - success
 # 1 - error returned from server
@@ -13,8 +13,6 @@ apisubdomain=${ACMEDNS_SUBDOMAIN:-''}
 fulldomain="${1}"
 token="${2}"
 
-API='https://auth.acme-dns.io/update'
-
 # Check initial parameters
 if [[ -z "$fulldomain" ]]; then
   echo "DNS script requires full domain name as first parameter"
@@ -25,31 +23,6 @@ if [[ -z "$token" ]]; then
   exit 1
 fi
 
-curl_params=(
-  -H "accept: application/json"
-  -H "X-Api-Key: $apikey"
-  -H "X-Api-User: $apiuser"
-  -H 'Content-Type: application/json'
-)
-
-generate_post_data()
-{
-  cat <<EOF
-{
-  "subdomain": "$apisubdomain",
-  "txt": "$token"
-}
-EOF
-}
+# nothing to do
 
-resp=$(curl --silent \
-  "${curl_params[@]}" \
-  -X POST "${API}" \
-  --data "$(generate_post_data)")
-
-echo $resp
-# If adding record failed (returned json includes "error" then print error message
-if [[ "$resp" = *"\"error\""* ]]; then
-  echo "Error: DNS challenge not added: unknown error - ${resp}"
-  exit 1
-fi
+exit 0