Move inner enum to top

It was initially added next to other enums, but now they are gone. Move
to a better place.

Author: findepi

core/trino-main/src/main/java/io/trino/FeaturesConfig.java

@@ -82,6 +82,14 @@
 })
 public class FeaturesConfig
 {
+    public enum DataIntegrityVerification
+    {
+        NONE,
+        ABORT,
+        RETRY,
+        /**/;
+    }
+
     @VisibleForTesting
     public static final String SPILLER_SPILL_PATH = "spiller-spill-path";
 
@@ -125,14 +133,6 @@ public class FeaturesConfig
 
     private boolean legacyArithmeticDecimalOperators;
 
-    public enum DataIntegrityVerification
-    {
-        NONE,
-        ABORT,
-        RETRY,
-        /**/;
-    }
-
     public boolean isRedistributeWrites()
     {
         return redistributeWrites;