Skip GPU CI (microsoft#2554)

## Describe your changes
Skip GPU CI
## Checklist before requesting a review
- [ ] Add unit tests for this change.
- [ ] Make sure all tests can pass.
- [ ] Update documents if necessary.
- [ ] Lint and apply fixes to your code by running `lintrunner -a`
- [ ] Is this a user-facing change? If yes, give a description of this
change to be included in the release notes.

## (Optional) Issue link

Author: xiaoyu-work

.azure_pipelines/olive-ci.yaml

@@ -40,11 +40,12 @@ jobs:
     pool: $(OLIVE_POOL_UBUNTU2004)
     pytest_marker: 'not openvino and not amd'
 
-- template: job_templates/olive-test-linux-gpu-template.yaml
-  parameters:
-    name: Linux_GPU_CI_Unit_Test
-    pool: $(OLIVE_POOL_UBUNTU2004_GPU_V100)
-    pytest_marker: 'not openvino and not amd'
+# Skip the GPU CI until the pool issue is resolved (not able to allocate GPU resources).
+# - template: job_templates/olive-test-linux-gpu-template.yaml
+#   parameters:
+#     name: Linux_GPU_CI_Unit_Test
+#     pool: $(OLIVE_POOL_UBUNTU2004_GPU_V100)
+#     pytest_marker: 'not openvino and not amd'
 
 # Windows unit tests
 - template: job_templates/olive-test-cpu-template.yaml