revert: "test: fix case"

This reverts commit fdf4710.

Author: thxCode

tests/gpustack_runner/fixtures/test_list_service_runners.json

@@ -107,7 +107,7 @@
                     "variants": [
                       {
                         "variant": "",
-                        "deprecated": true,
+                        "deprecated": false,
                         "platforms": [
                           {
                             "platform": "linux/amd64",