[Az.Accounts] Fix the doubled Api Version in Uri of the request issued by Invoke-AzRestMethod (Azure#16616)

* fix double api version

* update changelog

* wording

Author: RadoslavGatev

src/Accounts/Accounts/ChangeLog.md

@@ -19,6 +19,7 @@
 -->
 
 ## Upcoming Release
+* Fixed the doubled Api Version in the URI of the underlying request issued by `Invoke-AzRestMethod`. [#16615]
 
 ## Version 2.7.0
 * Removed `ServicePrincipalSecret` and `CertificatePassword` in `PSAzureRmAccount` [#15427]

src/Accounts/Accounts/Rest/InvokeAzRestMethodCommand.cs

@@ -105,7 +105,6 @@ public override void ExecuteCmdlet()
             if (ByParameters.Equals(this.ParameterSetName))
             {
                 this.Path = ConstructPath(this.IsParameterBound(c => c.SubscriptionId) ? this.SubscriptionId : context.Subscription.Id, this.ResourceGroupName, this.ResourceProviderName, this.ResourceType, this.Name);
-                this.Path += $"?api-version={this.ApiVersion}";
             }
             else if (ByURI.Equals(this.ParameterSetName))
             {