Fix Az.ManagedServices Syntax Errors (#17652)

Author: v-yuzhichen

src/ManagedServices/help/New-AzManagedServicesDefinition.md

@@ -46,7 +46,7 @@ $approver = New-AzManagedServicesEligibleApproverObject -PrincipalId "xxxxxxxx-x
 
 $eligibleAuth = New-AzManagedServicesEligibleAuthorizationObject -PrincipalId "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -PrincipalIdDisplayName "Test user" -RoleDefinitionId "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -JustInTimeAccessPolicyManagedByTenantApprover $approver -JustInTimeAccessPolicyMultiFactorAuthProvider Azure -JustInTimeAccessPolicyMaximumActivationDuration 0:30
 
-New-AzManagedServicesDefinition -Name xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx-RegistrationDefinitionName "Test definition" -ManagedByTenantId "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -Authorization $permantAuth -EligibleAuthorization $eligibleAuth -Description "Test definition desc" -Scope "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
+New-AzManagedServicesDefinition -Name "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -RegistrationDefinitionName "Test definition" -ManagedByTenantId "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -Authorization $permantAuth -EligibleAuthorization $eligibleAuth -Description "Test definition desc" -Scope "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
 ```
 
 ```output

src/ManagedServices/help/Remove-AzManagedServicesAssignment.md

@@ -31,14 +31,14 @@ Deletes the specified registration assignment.
 
 ### Example 1: Removes Azure Lighthouse registration assignment at subscription scope
 ```powershell
-Remove-AzManagedServicesAssignment -Name xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx -Scope "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
+Remove-AzManagedServicesAssignment -Name "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -Scope "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
 ```
 
 Removes Azure Lighthouse registration assignment at subscription scope.
 
 ### Example 2: Removes Azure Lighthouse registration assignment at resource group scope
 ```powershell
-Remove-AzManagedServicesAssignment -Name xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx -Scope "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/testgroup"
+Remove-AzManagedServicesAssignment -Name "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" -Scope "/subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/testgroup"
 ```
 
 Removes Azure Lighthouse registration assignment at resource group scope.