Move ps1xml files to host so content works

https://github.com/dotnet/cli/pull/61

src/Microsoft.PowerShell.Linux.Host/project.json

@@ -6,6 +6,8 @@
     "projectUrl": "",
     "licenseUrl": "",
 
+    "content": [ "*.ps1xml" ],
+
     "compilationOptions": {
         "emitEntryPoint": true
     },

src/System.Management.Automation/project.json

@@ -588,12 +588,6 @@
 	"../monad-build/gen/SYS_AUTO/*.cs"
     ],
 
-    "packInclude" :
-    {
-	"Modules/" : "../monad/monad/miscfiles/modules/**",
-	"Pester/" : "../ext-src/pester/**"
-    },
-
     "compilationOptions": {
         "define": [
             "CORECLR",