Fix #1531 (remove stray skip_reasons code) (#1532)

* Fix #1531 and slightly enhance skip reporting

Deduplicate root-only devices while preserving order.

* Simplify test

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Co-authored-by: Michael Droettboom <mdboom@gmail.com>

Author: rwgk

cuda_bindings/tests/nvml/test_compute_mode.py

@@ -26,6 +26,6 @@ def test_compute_mode_supported_nonroot(all_devices):
             try:
                 nvml.device_set_compute_mode(device, cm)
             except nvml.NoPermissionError:
-                skip_reasons.add(f"nvmlDeviceSetComputeMode requires root for device {device}")
-                continue
+                pytest.skip("Insufficient permissions to set compute mode")
+            nvml.device_set_compute_mode(device, original_compute_mode)
             assert original_compute_mode == nvml.device_get_compute_mode(device), "Compute mode shouldn't have changed"