fix elb load balancing sample (#228)

Author: dfangl

elb-load-balancing/package.json

@@ -4,9 +4,8 @@
   "repository": "https://github.com/localstack/localstack-pro-samples",
   "devDependencies": {
     "serverless": "^3.23.0",
-    "serverless-localstack": "^1.0.5",
-    "serverless-pseudo-parameters": "^2.5.0",
-    "serverless-deployment-bucket": "^1.1.0"
+    "serverless-deployment-bucket": "^1.1.0",
+    "serverless-localstack": "^1.0.5"
   },
   "scripts": {
     "deploy": "sls deploy --stage local"

elb-load-balancing/serverless.yml

@@ -3,7 +3,7 @@ service: test-elb-load-balancing
 provider:
   name: aws
   region: us-east-1
-  runtime: nodejs12.x
+  runtime: nodejs14.x
   deploymentBucket:
     name: testbucket
 
@@ -62,7 +62,6 @@ resources:
 plugins:
   - serverless-deployment-bucket
   - serverless-localstack
-  - serverless-pseudo-parameters
 
 custom:
   localstack: