tests, scripts: Don't import print_function from __future__

Some of our Python scripts still include the line
  from __future__ import print_function

which is intended to allow a Python 2 to handle the Python 3 print()
syntax. This particular part of the future arrived many years ago,
and our minimum Python version is 3.9, so we don't need to keep
this line around.

NB: the scripts in tests/tcg/*/gdbstub/ are run with whatever Python
gdb was built against, but we can safely assume that that was a
Python 3 because our supported distros are all on Python 3.  In any
case these are only run as part of "make check-tcg", not by
end-users.

Commit created with:

 sed -i -e '/import print_function/d' $(git grep -l 'from __future__')

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250819102409.2117969-1-peter.maydell@linaro.org

scripts/userfaultfd-wrlat.py

@@ -17,7 +17,6 @@
 # This work is licensed under the terms of the GNU GPL, version 2 or
 # later.  See the COPYING file in the top-level directory.
 
-from __future__ import print_function
 from bcc import BPF
 from ctypes import c_ushort, c_int, c_ulonglong
 from time import sleep

tests/guest-debug/test_gdbstub.py

@@ -1,7 +1,6 @@
 """Helper functions for gdbstub testing
 
 """
-from __future__ import print_function
 import argparse
 import gdb
 import os

tests/tcg/aarch64/gdbstub/test-mte.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test GDB memory-tag commands that exercise the stubs for the qIsAddressTagged,
 # qMemTag, and QMemTag packets, which are used for manipulating allocation tags.

tests/tcg/aarch64/gdbstub/test-sve-ioctl.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test the SVE ZReg reports the right amount of data. It uses the
 # sve-ioctl test and examines the register data each time the

tests/tcg/aarch64/gdbstub/test-sve.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test the SVE registers are visible and changeable via gdbstub
 #

tests/tcg/multiarch/gdbstub/interrupt.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test some of the system debug features with the multiarch memory
 # test. It is a port of the original vmlinux focused test case but

tests/tcg/multiarch/gdbstub/memory.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test some of the system debug features with the multiarch memory
 # test. It is a port of the original vmlinux focused test case but

tests/tcg/multiarch/gdbstub/sha1.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # A very simple smoke test for debugging the SHA1 userspace test on
 # each target.

tests/tcg/multiarch/gdbstub/test-proc-mappings.py

@@ -1,7 +1,6 @@
 """Test that gdbstub has access to proc mappings.
 
 This runs as a sourced script (via -x, via run-test.py)."""
-from __future__ import print_function
 import gdb
 from test_gdbstub import gdb_exit, main, report
 

tests/tcg/multiarch/gdbstub/test-qxfer-auxv-read.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test auxiliary vector is loaded via gdbstub
 #

tests/tcg/multiarch/gdbstub/test-qxfer-siginfo-read.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test gdbstub Xfer:siginfo:read stub.
 #

tests/tcg/multiarch/gdbstub/test-thread-breakpoint.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 #
 # Test auxiliary vector is loaded via gdbstub
 #

tests/tcg/s390x/gdbstub/test-signals-s390x.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 
 #
 # Test that signals and debugging mix well together on s390x.

tests/tcg/s390x/gdbstub/test-svc.py

@@ -1,7 +1,6 @@
 """Test single-stepping SVC.
 
 This runs as a sourced script (via -x, via run-test.py)."""
-from __future__ import print_function
 import gdb
 from test_gdbstub import main, report