Remove preview dependencies

Author: anusapan

src/DeviceProvisioningServices/DeviceProvisioningServices.Test/DeviceProvisioningServices.Test.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Devices" Version="1.27.0-preview-004" />
+    <PackageReference Include="Microsoft.Azure.Devices" Version="1.18.2" />
     <PackageReference Include="Microsoft.Azure.Management.DeviceProvisioningServices" Version="0.10.0-preview" />
     <PackageReference Include="Microsoft.Azure.Management.IotHub" Version="2.10.0-preview" />
   </ItemGroup>

src/IotHub/IotHub.Test/IotHub.Test.csproj

@@ -11,9 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Amqp" Version="2.4.3" />
-    <PackageReference Include="Microsoft.Azure.Devices" Version="1.27.0-preview-004" />
-    <PackageReference Include="Microsoft.Azure.Devices.Shared" Version="1.16.0" />
+    <PackageReference Include="Microsoft.Azure.Devices" Version="1.18.2" />
     <PackageReference Include="Microsoft.Azure.Management.EventHub" Version="2.5.0" />
     <PackageReference Include="Microsoft.Azure.Management.IotHub" Version="2.10.0-preview" />
   </ItemGroup>