Remove deprecated fields from CompilationConfig (#27593)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
(cherry picked from commit a742134cc5)

.buildkite/test-pipeline.yaml

@@ -441,6 +441,7 @@ steps:
     - vllm/
     - tests/compile
   commands:
+    - pytest -v -s compile/test_config.py
     - pytest -v -s compile/test_pass_manager.py
     - pytest -v -s compile/test_fusion.py
     - pytest -v -s compile/test_fusion_attn.py