remove unused property

Author: adutra

runtime/defaults/src/main/resources/application.properties

@@ -150,9 +150,6 @@ polaris.rate-limiter.token-bucket.type=default
 polaris.rate-limiter.token-bucket.requests-per-second=9999
 polaris.rate-limiter.token-bucket.window=PT10S
 
-# This property is DEPRECATED for removal; it is now unused
-polaris.active-roles-provider.type=default
-
 # Polaris authentication settings
 polaris.authentication.type=internal
 polaris.authentication.authenticator.type=default