Updated client library documentation URLs. (#7307)

Previously, the URLs would redirect using JavaScript, which would either be slow or not work at all (in case JavaScript is disabled on the browser)

packages/google-cloud-vision/README.rst

@@ -26,7 +26,7 @@ Storage.
 .. _Vision: https://cloud.google.com/vision/
 
 .. _Google Cloud Vision: https://cloud.google.com/vision/
-.. _Client Library Documentation: https://googlecloudplatform.github.io/google-cloud-python/latest/vision/
+.. _Client Library Documentation: https://googleapis.github.io/google-cloud-python/latest/vision/
 .. _Product Documentation: https://cloud.google.com/vision/reference/rest/
 
 
@@ -43,7 +43,7 @@ In order to use this library, you first need to go through the following steps:
 .. _Select or create a Cloud Platform project.: https://console.cloud.google.com/project
 .. _Enable billing for your project.: https://cloud.google.com/billing/docs/how-to/modify-project#enable_billing_for_a_project
 .. _Enable the Google Cloud Vision API.:  https://cloud.google.com/vision
-.. _Setup Authentication.: https://googlecloudplatform.github.io/google-cloud-python/latest/core/auth.html
+.. _Setup Authentication.: https://googleapis.github.io/google-cloud-python/latest/core/auth.html
 
 Installation
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