az-*: update page description (#10929)

Signed-off-by: GitHub <noreply@github.com>

pages/common/az-account.md

@@ -1,7 +1,7 @@
 # az account
 
 > Manage Azure subscription information.
-> Part of `az`, the command-line client for Microsoft Azure.
+> Part of `az`.
 > More information: <https://learn.microsoft.com/cli/azure/account>.
 
 - Print a list of subscriptions for the logged in account:

pages/common/az-appconfig.md

@@ -1,7 +1,7 @@
 # az appconfig
 
 > Manage App configurations on Azure.
-> Part of `az`, the command-line client for Microsoft Azure.
+> Part of `az`.
 > More information: <https://learn.microsoft.com/cli/azure/appconfig>.
 
 - Create an App Configuration:

pages/common/az-login.md

@@ -1,7 +1,7 @@
 # az login
 
 > Log in to Azure.
-> Part of `az`, the command-line client for Microsoft Azure.
+> Part of `az`.
 > More information: <https://learn.microsoft.com/cli/azure/reference-index#az_login>.
 
 - Log in interactively:

pages/common/az-upgrade.md

@@ -1,7 +1,7 @@
 # az upgrade
 
 > Upgrade Azure CLI and Extensions.
-> Part of `az`, the command-line client for Microsoft Azure.
+> Part of `az`.
 > More information: <https://learn.microsoft.com/cli/azure/reference-index?view=azure-cli-latest#az-upgrade>.
 
 - Upgrade Azure CLI:

pages/common/az-version.md

@@ -1,7 +1,7 @@
 # az version
 
 > Shows the current version of Azure CLI modules and extensions.
-> Part of `az`, the command-line client for Microsoft Azure.
+> Part of `az`.
 > More information: <https://learn.microsoft.com/cli/azure/reference-index?view=azure-cli-latest#az-version>.
 
 - Show the current version of Azure CLI modules and extensions in JSON format: