Remove AMD suppressions for SubgroupMatrix tests

These were fixed around the same time the AMD bot config was landed.

Bug: 500774798
Change-Id: Iccdabfcfc5347211a15702641150440b1a60eda2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/302395
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: James Price <jrprice@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: James Price <jrprice@google.com>
diff --git a/src/dawn/tests/end2end/SubgroupMatrixTests.cpp b/src/dawn/tests/end2end/SubgroupMatrixTests.cpp
index b32c35b..870970c 100644
--- a/src/dawn/tests/end2end/SubgroupMatrixTests.cpp
+++ b/src/dawn/tests/end2end/SubgroupMatrixTests.cpp
@@ -733,10 +733,6 @@
     DAWN_TEST_UNSUPPORTED_IF(
         !adapter.HasFeature(wgpu::FeatureName::ChromiumExperimentalSubgroupMatrix));
 
-    // TODO(crbug.com/500774798): Backend validation failures on Windows 11/AMD
-    // RX 5500 XT w/ Vulkan.
-    DAWN_SUPPRESS_TEST_IF(IsWindows11() && IsAMD() && IsVulkan() && IsBackendValidationEnabled());
-
     MatrixOp op = GetParam().mMatrixOp;
     bool columnMajor = GetParam().mColumnMajor;
 
@@ -906,10 +902,6 @@
     DAWN_TEST_UNSUPPORTED_IF(
         !adapter.HasFeature(wgpu::FeatureName::ChromiumExperimentalSubgroupMatrix));
 
-    // TODO(crbug.com/500774798): Backend validation failures on Windows 11/AMD
-    // RX 5500 XT w/ Vulkan.
-    DAWN_SUPPRESS_TEST_IF(IsWindows11() && IsAMD() && IsVulkan() && IsBackendValidationEnabled());
-
     // Query the supported subgroup matrix configurations.
     wgpu::AdapterInfo info;
     wgpu::AdapterPropertiesSubgroupMatrixConfigs subgroupMatrixConfigs;