test_suites.pyl: Remove Dawn's no_spvc test configs

SPVC has been removed from Dawn and that flag is now a noop.

Bug: dawn:521
Change-Id: I52d2887b373c22376f9cd0664e4b6740299a9bb9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2461330
Auto-Submit: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815181}

testing/buildbot/chromium.gpu.fyi.json

@@ -9068,36 +9068,6 @@
         "test": "dawn_end2end_tests",
         "test_id_prefix": "ninja://third_party/dawn/src/tests:dawn_end2end_tests/"
       },
-      {
-        "args": [
-          "--no-use-spvc",
-          "--no-use-spvc-parser",
-          "--no-xvfb",
-          "--use-gpu-in-tests",
-          "--test-launcher-retry-limit=0",
-          "--exclusive-device-type-preference=discrete,integrated"
-        ],
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "name": "dawn_end2end_no_spvc_tests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "containment_type": "AUTO",
-          "dimension_sets": [
-            {
-              "gpu": "10de:2184",
-              "os": "Ubuntu",
-              "pool": "chromium.tests.gpu.experimental"
-            }
-          ],
-          "expiration": 21600,
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "dawn_end2end_tests",
-        "test_id_prefix": "ninja://third_party/dawn/src/tests:dawn_end2end_tests/"
-      },
       {
         "args": [
           "--skip-validation",

testing/buildbot/test_suites.pyl

@@ -2224,15 +2224,6 @@
 
     # GPU gtests that test only Dawn
     'gpu_dawn_gtests': {
-      'dawn_end2end_no_spvc_tests': {
-        'mixins': ['dawn_end2end_gpu_test'],
-        'args': [
-          '--no-use-spvc',
-          '--no-use-spvc-parser',
-        ],
-        'linux_args': [ '--no-xvfb' ],
-        'test': 'dawn_end2end_tests',
-      },
       'dawn_end2end_skip_validation_tests': {
         'mixins': ['dawn_end2end_gpu_test'],
         'args': [