Remove unused imports.

smarts/sstudio/genscenario.py

@@ -27,14 +27,12 @@
 import logging
 import os
 import pickle
-import random
 import sqlite3
 from dataclasses import dataclass, replace
 from pathlib import Path
 from typing import Any, Dict, List, Optional, Sequence, Tuple, Union
 
 import cloudpickle
-import numpy as np
 import yaml
 
 import smarts.core