Correct command from 'list-plugins' to 'list-profiles'

Author: jamesfredley

grails-doc/src/en/guide/profiles/standardProfiles.adoc

@@ -27,7 +27,7 @@ Available profiles can be listed, when not inside a Grails' project directory:
 
 [source,bash]
 ----
-$ grails list-plugins
+$ grails list-profiles
 ----
 
 [source,bash]
@@ -55,4 +55,4 @@ The `rest-api-plugin` profile is specialized for developing plugins that provide
 
 Lastly, the `profile` profile is intended for developers creating custom profiles.
 
-These profiles collectively enable flexible project generation while maintaining Grails' convention-over-configuration philosophy.
+These profiles collectively enable flexible project generation while maintaining Grails' convention-over-configuration philosophy.