DEV: Remove override of `flushdb` in `DiscourseRedis`.

DEV: Remove override of flushdb in DiscourseRedis.

diff --git a/lib/discourse_redis.rb b/lib/discourse_redis.rb
index ff946ca..6b630b7 100644
--- a/lib/discourse_redis.rb
+++ b/lib/discourse_redis.rb
@@ -266,12 +266,6 @@ class DiscourseRedis
     end
   end
 
-  def flushdb
-    DiscourseRedis.ignore_readonly do
-      keys.each { |k| del(k) }
-    end
-  end
-
   def reconnect
     @redis._client.reconnect
   end

GitHub sha: 05beaa7f