Do not close MVStore twice

h2/src/main/org/h2/mvstore/db/MVTempResult.java

@@ -183,7 +183,6 @@ public abstract class MVTempResult implements ResultExternal {
     }
 
     private void delete() {
-        store.closeImmediately();
         tempFileDeleter.deleteFile(fileRef, closeable);
     }