Corrected README to pull image from dockerhub

mfogwell · web-flow · commit ed2452f5ff7e · 2019-07-22T14:51:08.000-04:00
diff --git a/README.md b/README.md
@@ -29,9 +29,7 @@ rm kubeconfigdata k8s-env
 # codeship-services.yml
 
 kubectl:
-  build:
-    image: codeship/kubectl
-    dockerfile: Dockerfile
+  image: codeship/kubectl
   encrypted_env_file: k8s-env.encrypted
 ```
 
