reverted changes in packages config

Author: MikhailTryakhov

src/ResourceManager/Network/Commands.Network/packages.config

@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="AutoMapper" version="7.0.1" targetFramework="net452" />
-  <package id="Microsoft.Azure.KeyVault.Core" version="3.0.0" targetFramework="net452" />
-  <package id="Microsoft.Azure.Management.Network" version="19.4.0-preview" targetFramework="net452" />
-  <package id="Microsoft.Rest.ClientRuntime" version="2.3.13" targetFramework="net452" />
-  <package id="Microsoft.Rest.ClientRuntime.Azure" version="3.3.15" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net452" />
-  <package id="System.ValueTuple" version="4.6.0-preview1-26829-04" targetFramework="net452" />
+  <package id="AutoMapper" version="6.0.2" targetFramework="net452" />
+  <package id="Microsoft.Azure.KeyVault.Core" version="1.0.0" targetFramework="net45" />
+  <package id="Microsoft.Azure.Management.Network" version="19.3.0-preview" targetFramework="net452" />
 </packages>