gdb/contrib/dwarf-to-dwarf-assembler.py: remove unused imports

Remove imports reported as unused by flake8.

Change-Id: I1a1e5edab6ecd6ee774cb4bd20bf22b8952898aa
Approved-By: Tom Tromey <tom@tromey.com>

diff --git a/gdb/contrib/dwarf-to-dwarf-assembler.py b/gdb/contrib/dwarf-to-dwarf-assembler.py
index 60f2935cc5b94308c87310957c384476574cbfad..37bd1ba18f0b1ba359fa756abaab691528d9e273 100755 (executable)
--- a/gdb/contrib/dwarf-to-dwarf-assembler.py
+++ b/gdb/contrib/dwarf-to-dwarf-assembler.py
@@ -43,8 +43,6 @@ import errno
 import re
 import sys
 from copy import copy
-from dataclasses import dataclass
-from datetime import datetime
 from functools import cache
 from io import BytesIO, IOBase
 from logging import getLogger