Merge pull request #3202 from goern/insecure-is-boolean-not-string

this is a boolean and not a string

Author: vikram-redhat

dev_guide/managing_images.adoc

@@ -646,7 +646,7 @@ metadata:
       name: my.repo.com:5000/myimage
     name: mytag
     importPolicy:
-      insecure: "true" <1>
+      insecure: true <1>
 ----
 <1> Set tag *mytag* to use insecure connection to that registry.
 ====