Removing reference to Colab Version until completed

Author: Jessica Lin

intermediate_source/dynamic_quantization_bert_tutorial.rst

@@ -1,10 +1,6 @@
 (experimental) Dynamic Quantization on HuggingFace BERT model
 ==============================================================
-
-.. tip::
-   To get the most of this tutorial, we suggest using this 
-   `Colab Version <https://colab.research.google.com/github/pytorch/tutorials/blob/gh-pages/_downloads/dynamic_quantization_bert_tutorial.ipynb>`_. This will allow you to experiment with the information presented below. 
-   
+ 
 **Author**: `Jianyu Huang <https://github.com/jianyuh>`_
 
 **Reviewed by**: `Raghuraman Krishnamoorthi <https://github.com/raghuramank100>`_