Remove unused imports

Author: vstinner

Lib/cProfile.py

@@ -9,6 +9,5 @@
 __all__ = ["run", "runctx", "Profile"]
 
 if __name__ == "__main__":
-    import sys
     from profiling.tracing.__main__ import main
     main()

Lib/profiling/sampling/heatmap_collector.py

@@ -11,7 +11,7 @@
 import sys
 from dataclasses import dataclass, field
 from pathlib import Path
-from typing import Dict, List, Tuple, Optional, Any
+from typing import Dict, List, Tuple
 
 from ._css_utils import get_combined_css
 from .stack_collector import StackTraceCollector