Revert "added ci step to verify the fix"

This reverts commit 60776ee.

Author: gaaclarke

testing/run_tests.py

@@ -492,7 +492,7 @@ def make_test(name, flags=None, extra_env=None):
           'METAL_DEBUG_ERROR_MODE': '0',  # Enables metal validation.
           'METAL_DEVICE_WRAPPER_TYPE': '1',  # Enables metal validation.
       })
-
+    # Impeller tests are only supported on macOS for now.
     run_engine_executable(
         build_dir,
         'impeller_unittests',
@@ -508,25 +508,6 @@ def make_test(name, flags=None, extra_env=None):
         ]
     )
 
-    # Run one interactive Vulkan tests with validation on.
-    run_engine_executable(
-        build_dir,
-        'impeller_unittests',
-        executable_filter,
-        [
-            '--enable_vulkan_validation', '--playground_timeout_ms=4000',
-            '--enable_playground', '--gtest_filter="*ColorWheel/Vulkan"'
-        ],
-        coverage=coverage,
-        extra_env=extra_env,
-        # TODO(117122): Remove this allowlist.
-        # https://github.com/flutter/flutter/issues/114872
-        allowed_failure_output=[
-            '[MTLCompiler createVertexStageAndLinkPipelineWithFragment:',
-            '[MTLCompiler pipelineStateWithVariant:',
-        ]
-    )
-
 
 def run_engine_benchmarks(build_dir, executable_filter):
   print('Running Engine Benchmarks.')