Fix deep-learning short_description length

Author: Tariolle

topics/deep-learning/index.md

@@ -1,7 +1,7 @@
 ---
 aliases: deeplearning, deep-learning-tutorial, deep-learning-algorithms, deep-learning-papers
 display_name: Deep learning
-short_description: Deep learning is a subset of machine learning that uses multi-layered neural networks to learn hierarchical representations from data.
+short_description: Deep learning is a subset of machine learning that uses multi-layered neural networks to learn representations from data.
 topic: deep-learning
 wikipedia_url: https://en.wikipedia.org/wiki/Deep_learning
 ---