Polish changelog for upcoming release (#13465)

* Add notes to Get-AzRecoveryServicesVault.md

* Add notes to Get-AzRecoveryServicesVault.md

* Polish changelog for upcoming release

Author: dingmeng-xue

src/DataLakeStore/DataLakeStore/ChangeLog.md

@@ -18,7 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
-* Update ADLS dataplane SDK to 1.2.4-alpha. Changes:https://github.com/Azure/azure-data-lake-store-net/blob/preview-alpha/CHANGELOG.md#version-124-alpha
+* Updated ADLS dataplane SDK to 1.2.4-alpha. Changes:https://github.com/Azure/azure-data-lake-store-net/blob/preview-alpha/CHANGELOG.md#version-124-alpha
 
 ## Version 1.2.8
 * Added breaking change description for `Export-AzDataLakeStoreItem` and `Import-AzDataLakeStoreItem`

src/EventHub/EventHub/ChangeLog.md

@@ -19,7 +19,7 @@
 -->
 ## Upcoming Release
 * Fixed Cluster commands for EventHub cluster without tags
-* updated help text for PartnerNamespace of AzEventHubGeoDRConfiguration commands 
+* Updated help text for PartnerNamespace of AzEventHubGeoDRConfiguration commands 
 
 ## Version 1.7.0
 * Added optional switch parameter `TrustedServiceAccessEnabled` to `Set-AzEventHubNetworkRuleSet` cmdlet

src/IotHub/IotHub/ChangeLog.md

@@ -18,7 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
-* Allow tags in IoT Hub create cmdlet.
+* Allowed tags in IoT Hub create cmdlet.
 
 ## Version 2.6.0
 * Updated devices sdk.

src/LogicApp/LogicApp/ChangeLog.md

@@ -18,7 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
-* Fix for Get-AzLogicAppRunHistory only retrieving the first page of results
+* Fixed for Get-AzLogicAppRunHistory only retrieving the first page of results
 
 ## Version 1.3.2
 * Update references in .psd1 to use relative path

tools/Az/Az.psd1

@@ -57,7 +57,6 @@ RequiredModules = @(@{ModuleName = 'Az.Accounts'; ModuleVersion = '2.1.2'; },
                @{ModuleName = 'Az.Aks'; RequiredVersion = '2.0.0'; }, 
                @{ModuleName = 'Az.AnalysisServices'; RequiredVersion = '1.1.4'; }, 
                @{ModuleName = 'Az.ApiManagement'; RequiredVersion = '2.1.0'; }, 
-               @{ModuleName = 'Az.AppConfiguration'; RequiredVersion = '1.0.0'; }, 
                @{ModuleName = 'Az.ApplicationInsights'; RequiredVersion = '1.1.0'; }, 
                @{ModuleName = 'Az.Automation'; RequiredVersion = '1.4.0'; }, 
                @{ModuleName = 'Az.Batch'; RequiredVersion = '3.1.0'; },