Use drop_cf to clear fullsync headers table

Author: fmoletta

crates/storage/store_db/rocksdb.rs

@@ -1520,19 +1520,7 @@ impl StoreEngine for Store {
         let db = self.db.clone();
 
         tokio::task::spawn_blocking(move || {
-            let cf = db
-                .cf_handle(CF_FULLSYNC_HEADERS)
-                .ok_or_else(|| StoreError::Custom("Column family not found".to_string()))?;
-
-            let mut iter = db.iterator_cf(&cf, rocksdb::IteratorMode::Start);
-            let mut batch = WriteBatchWithTransaction::default();
-
-            while let Some(Ok((key, _))) = iter.next() {
-                batch.delete_cf(&cf, key);
-            }
-
-            db.write(batch)
-                .map_err(|e| StoreError::Custom(format!("RocksDB batch write error: {}", e)))
+            db.drop_cf(CF_FULLSYNC_HEADERS).map_err(StoreError::from)
         })
         .await
         .map_err(|e| StoreError::Custom(format!("Task panicked: {}", e)))?