Revert qemu debugs (#40138)

Captured some in https://github.com/systemd/systemd/issues/38240 and
they do not look too useful, and add noise, so remove them again

test/integration-tests/integration-test-wrapper.py

@@ -75,18 +75,6 @@ class Summary:
         )
 
 
-def tools_os_release(field: str) -> str:
-    return subprocess.run(
-        [
-            'bash',
-            '-c',
-            f'set -eu; . /etc/os-release; echo ${field}',
-        ],
-        stdout=subprocess.PIPE,
-        text=True,
-    ).stdout.rstrip()
-
-
 def process_coredumps(args: argparse.Namespace, journal_file: Path) -> bool:
     # Collect executable paths of all coredumps and filter out the expected ones.
 
@@ -627,16 +615,6 @@ def main() -> None:
         *(['--', '--capability=CAP_BPF'] if not vm else []),
     ]  # fmt: skip
 
-    # XXX: debug for https://github.com/systemd/systemd/issues/38240
-    if vm:
-        # Tracing is not supported in centos/fedora qemu builds
-        if tools_os_release('ID') in ('centos', 'fedora'):
-            cmd += ['--qemu-args=-d cpu_reset,guest_errors -D /dev/stderr']
-        else:
-            cmd += [
-                '--qemu-args=-d cpu_reset,guest_errors,trace:kvm_run_exit_system_event,trace:qemu_system_*_request -D /dev/stderr'  # noqa: E501
-            ]
-
     try:
         result = subprocess.run(cmd)