Regenerate the README files and fix the Open in Cloud Shell link for some samples [(#1441)](GoogleCloudPlatform/python-docs-samples#1441)

Author: chenyumic

samples/snippets/README.rst

@@ -16,7 +16,7 @@ This directory contains samples for Google Cloud Natural Language API. The `Goog
 
 
 
-.. _Google Cloud Natural Language API: https://cloud.google.com/natural-language/docs/ 
+.. _Google Cloud Natural Language API: https://cloud.google.com/natural-language/docs/
 
 Setup
 -------------------------------------------------------------------------------
@@ -63,7 +63,7 @@ Quickstart
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 .. image:: https://gstatic.com/cloudssh/images/open-btn.png
-   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=language/cloud-client/v1/quickstart.py;language/cloud-client/v1/README.rst
+   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=language/cloud-client/v1/quickstart.py,language/cloud-client/v1/README.rst
 
 
 
@@ -79,7 +79,7 @@ Snippets
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 .. image:: https://gstatic.com/cloudssh/images/open-btn.png
-   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=language/cloud-client/v1/snippets.py;language/cloud-client/v1/README.rst
+   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=language/cloud-client/v1/snippets.py,language/cloud-client/v1/README.rst