Use ANCM2 module only for function app

Author: alrod

src/WebJobs.Script.WebHost/applicationHost.xdt

@@ -16,12 +16,11 @@
       <add name="AspNetCoreModuleV2" image="%XDT_EXTENSIONPATH%\ancm\aspnetcoreV2.dll" xdt:Transform="Insert" />
     </globalModules>
   </system.webServer>
-  <location>
-    <system.webServer>
-      <modules>
-        <add name="AspNetCoreModuleV2" xdt:Locator="Match(name)" xdt:Transform="Remove" />
-        <add name="AspNetCoreModuleV2" xdt:Transform="Insert" />
+  <location path="%XDT_SITENAME%" xdt:Locator="Match(path)" xdt:Transform="InsertIfMissing">
+    <system.webServer xdt:Transform="InsertIfMissing">
+      <modules xdt:Transform="InsertIfMissing">
+        <add name="AspNetCoreModuleV2" xdt:Transform="InsertIfMissing"/>
       </modules>
     </system.webServer>
   </location>
-</configuration>
+</configuration>