modify dsctest project file

Author: SteveL-MSFT

tools/dsctest/.project.data.json

@@ -8,25 +8,7 @@
     ],
     "CopyFiles": {
         "All": [
-            "dscdelete.dsc.resource.json",
-            "dscexist.dsc.resource.json",
-            "dscexitcode.dsc.resource.json",
-            "dscexport.dsc.resource.json",
-            "dscexporter.dsc.resource.json",
-            "dscget.dsc.resource.json",
-            "dscindesiredstate.dsc.resource.json",
-            "dscoperation.dsc.resource.json",
-            "dscsleep.dsc.resource.json",
-            "dsctrace.dsc.resource.json",
-            "dscwhatif.dsc.resource.json",
-            "metadata.dsc.resource.json",
-            "resourceadapter.dsc.resource.json",
-            "version1.1.2.dsc.resource.json",
-            "version1.1.3.dsc.resource.json",
-            "version1.1.dsc.resource.json",
-            "version2.1p1.dsc.resource.json",
-            "version2.1p2.dsc.resource.json",
-            "version2.dsc.resource.json"
+            "dsctrest.dsc.manifests.json"
         ]
     }
 }