Revert "Issue #3395631 by hdnag, borisson_, marvil07, dagmar, Wim Leers: Add...

Revert "Issue #3395631 by hdnag, borisson_, marvil07, dagmar, Wim Leers: Add validation constraints to dblog.settings"

This reverts commit 421ade1c.

core/modules/dblog/config/schema/dblog.schema.yml

@@ -7,8 +7,3 @@ dblog.settings:
     row_limit:
       type: integer
       label: 'Database log messages to keep'
-      constraints:
-        Range:
-          min: 0
-  constraints:
-    FullyValidatable: ~