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

@@ -12,7 +12,7 @@ This directory contains samples for Stackdriver Logging. `Stackdriver Logging`_
 
 
 
-.. _Stackdriver Logging: https://cloud.google.com/logging/docs 
+.. _Stackdriver Logging: https://cloud.google.com/logging/docs
 
 Setup
 -------------------------------------------------------------------------------
@@ -59,7 +59,7 @@ 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=logging/cloud-client/quickstart.py;logging/cloud-client/README.rst
+   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=logging/cloud-client/quickstart.py,logging/cloud-client/README.rst
 
 
 
@@ -75,7 +75,7 @@ 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=logging/cloud-client/snippets.py;logging/cloud-client/README.rst
+   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=logging/cloud-client/snippets.py,logging/cloud-client/README.rst
 
 
 
@@ -111,7 +111,7 @@ Export
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 .. 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=logging/cloud-client/export.py;logging/cloud-client/README.rst
+   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=logging/cloud-client/export.py,logging/cloud-client/README.rst