knot: upgrade to 2.5.3

Update the default config file to reflect the server changes.
Remove no longer applicable patch.

Signed-off-by: Daniel Salzman <daniel.salzman@nic.cz>

net/knot/patches/02_knot.conf.patch

@@ -1,5 +1,5 @@
 diff --git a/samples/knot.sample.conf.in b/samples/knot.sample.conf.in
-index e07c8a7..ecc13ad 100644
+index e07c8a7..8e057b0 100644
 --- a/samples/knot.sample.conf.in
 +++ b/samples/knot.sample.conf.in
 @@ -9,7 +9,7 @@ server:
@@ -11,3 +11,14 @@ index e07c8a7..ecc13ad 100644
  
  log:
      # Log info and more serious events to syslog.
+@@ -33,7 +33,9 @@ acl:
+ #    action: notify
+ 
+ template:
+-#  - id: default
++   - id: default
++     max-journal-db-size: 20M
++     max-timer-db-size: 5M
+ #    storage: "@storage_dir@"
+ 
+ zone: