Removing deprecated nemo test #1342

Job	Run time
pre-flight / pre-flight	18s
UV - AMD64/Linux - NGC PyTorch	21m 44s
Pip - Python3.12[vllm] - Bare Metal	10m 23s
Pip - Python3.12[trtllm] - Bare Metal	11m 53s
Pip - Python3.12 - Bare Metal	53s
Pip - Python3.12[trt-onnx] - Bare Metal	8m 55s
Install test summary	4s
	54m 10s

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