ci: drop 1-gpu-h100-h200 shared label (#24495)

.github/workflows/pr-test.yml

@@ -830,10 +830,7 @@ jobs:
           ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
         )
       )
-    # `1-gpu-h100-h200` is a shared label advertised by both the 1-GPU H100 and
-    # 1-GPU H200 runner pools, so this job can land on either. Multimodal_gen
-    # jobs in pr-test-multimodal-gen.yml continue to pin to `1-gpu-h100`.
-    runs-on: 1-gpu-h100-h200
+    runs-on: 1-gpu-h100
     timeout-minutes: 240
     strategy:
       fail-fast: false

.github/workflows/rerun-test.yml

@@ -14,7 +14,6 @@ on:
         type: choice
         options:
           - 1-gpu-h100
-          - 1-gpu-h100-h200
           - 1-gpu-5090
           - 2-gpu-h100
           - 4-gpu-h100