Fix VPN profile store test

WAL mode was disabled, but one of the VPN profile store tests was
still checking to ensure WAL mode was enabled.

Fixes: 191099248
Test: keystore2_test
Test: vpnprofilestore_test
Change-Id: Ib02057e01bbc73ac3b744a4298fc388487fb61a8
Merged-In: Ib02057e01bbc73ac3b744a4298fc388487fb61a8
diff --git a/keystore2/vpnprofilestore/lib.rs b/keystore2/vpnprofilestore/lib.rs
index baa632f..548bec5 100644
--- a/keystore2/vpnprofilestore/lib.rs
+++ b/keystore2/vpnprofilestore/lib.rs
@@ -467,9 +467,6 @@
         const PROFILE_COUNT: u32 = 5000u32;
         const PROFILE_DB_COUNT: u32 = 5000u32;
 
-        let mode: String = db.conn.pragma_query_value(None, "journal_mode", |row| row.get(0))?;
-        assert_eq!(mode, "wal");
-
         let mut actual_profile_count = PROFILE_COUNT;
         // First insert PROFILE_COUNT profiles.
         for count in 0..PROFILE_COUNT {