Fixes on the accelerate side mean we do not need to skip this test (deepspeedai#6583)

HF accelerate implemented fixes here:
huggingface/accelerate#3131

This means we can revert the changes from deepspeedai#6574

Author: loadams

.github/workflows/nv-accelerate-v100.yml

@@ -53,4 +53,4 @@ jobs:
           # force protobuf version due to issues
           pip install "protobuf<4.21.0"
           pip list
-          pytest $PYTEST_OPTS --color=yes --durations=0 --verbose tests/deepspeed -k "not test_prepare_multiple_models_zero3_inference"
+          pytest $PYTEST_OPTS --color=yes --durations=0 --verbose tests/deepspeed