[BERT examples] update default pruned model (#157)

* [BERT examples] update default pruned model

* update src/transformers pipeline file

Author: bfineran

examples/huggingface-transformers/pipelines.py

@@ -814,7 +814,7 @@ class TaskInfo:
         ),
         default_pruned_stub=(
             "zoo:nlp/question_answering/bert-base/pytorch/huggingface/squad/"
-            "pruned-moderate"
+            "pruned-aggressive_98"
         ),
     )
 }

src/deepsparse/transformers/pipelines.py

@@ -814,7 +814,7 @@ class TaskInfo:
         ),
         default_pruned_stub=(
             "zoo:nlp/question_answering/bert-base/pytorch/huggingface/squad/"
-            "pruned-moderate"
+            "pruned-aggressive_98"
         ),
     )
 }