Simplify vw_adlist

Signed-off-by: Christian König <ckoenig@posteo.de>

advanced/Scripts/database_migration/gravity/13_to_14.sql

@@ -10,4 +10,4 @@ ALTER TABLE adlist ADD COLUMN status INTEGER NOT NULL DEFAULT 0;
 
 UPDATE info SET value = 14 WHERE property = 'version';
 
-COMMIT;
+COMMIT;

advanced/Scripts/database_migration/gravity/14_to_15.sql

@@ -0,0 +1,15 @@
+.timeout 30000
+
+PRAGMA FOREIGN_KEYS=OFF;
+
+BEGIN TRANSACTION;
+DROP VIEW vw_adlist;
+
+CREATE VIEW vw_adlist AS SELECT DISTINCT address, id
+    FROM adlist
+    WHERE enabled = 1
+    ORDER BY id;
+
+UPDATE info SET value = 15 WHERE property = 'version';
+
+COMMIT;