Change the WAL journal mode for the database beck to the default DELE…

…TE mode

src/tribler/core/components/database/db/store.py

@@ -136,7 +136,7 @@ def __init__(
         @self.db.on_connect
         def on_connect(_, connection):
             cursor = connection.cursor()
-            cursor.execute("PRAGMA journal_mode = WAL")
+            cursor.execute("PRAGMA journal_mode = DELETE")
             cursor.execute("PRAGMA synchronous = NORMAL")
             cursor.execute("PRAGMA temp_store = MEMORY")
             cursor.execute("PRAGMA foreign_keys = ON")