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

[Simon Marchi]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=997ca51dcb4d76c3561877c539227689e8b3595c

commit 997ca51dcb4d76c3561877c539227689e8b3595c
Author: Simon Marchi <simon.marchi@efficios.com>
Date:   Wed Oct 29 13:49:26 2025 -0400

    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:
---
 gdb/contrib/dwarf-to-dwarf-assembler.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/gdb/contrib/dwarf-to-dwarf-assembler.py b/gdb/contrib/dwarf-to-dwarf-assembler.py
index 60f2935cc5b..37bd1ba18f0 100755
--- 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