Remove project.json-specific content from all the SPA templates

Author: SteveSandersonMS

templates/Angular2Spa/.deployment

@@ -1,3 +1,3 @@
 {
-  "sdk": { "version": "1.0.0-preview2-1-003177" }
+  "sdk": { "version": "sdkVersionInjectedHere" }
 }

templates/Angular2Spa/Angular2Spa.xproj

@@ -192,9 +192,7 @@ ClientBin/
 *.publishsettings
 orleans.codegen.cs
 
-# Workaround for https://github.com/aspnet/JavaScriptServices/issues/235
-/node_modules/**
-!/node_modules/_placeholder.txt
+/node_modules
 
 /yarn.lock
 

templates/Angular2Spa/ClientApp/dist/_placeholder.txt

@@ -1,3 +1,3 @@
 {
-  "sdk": { "version": "1.0.0-preview2-1-003177" }
+  "sdk": { "version": "sdkVersionInjectedHere" }
 }