Revert "Default DATABASE_USE_PREPARED_STATEMENTS to true" (#42655)

GitOrigin-RevId: 7b451ab02e3fa45beaa82e9ab98a3803ed8ac255

Author: gautamg795

crates/common/src/knobs.rs

@@ -960,7 +960,7 @@ pub static VECTOR_BACKUP_REQUEST_DELAY_MILLIS: LazyLock<Duration> =
 
 /// Whether to use prepared statements or not in Persistence.
 pub static DATABASE_USE_PREPARED_STATEMENTS: LazyLock<bool> =
-    LazyLock::new(|| env_config("DATABASE_USE_PREPARED_STATEMENTS", true));
+    LazyLock::new(|| env_config("DATABASE_USE_PREPARED_STATEMENTS", false));
 
 /// The amount of time to allow for downloading a single file in the archive
 /// cache on searchlight before timing out. If a fetch times out, no progress is