Remove accelerate from tf test reqs (#22777)

Remove accelerate from tf

examples/tensorflow/_tests_requirements.txt

@@ -4,7 +4,6 @@ scikit-learn
 seqeval
 psutil
 sacrebleu >= 1.4.12
-git+https://github.com/huggingface/accelerate@main#egg=accelerate
 rouge-score
 tensorflow_datasets
 matplotlib

examples/tensorflow/token-classification/run_ner.py

@@ -14,8 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """
-Fine-tuning a 🤗 Transformers model on token classification tasks (NER, POS, CHUNKS) relying on the accelerate library
-without using a Trainer.
+Fine-tuning a 🤗 Transformers model on token classification tasks (NER, POS, CHUNKS)
 """
 
 import json