fix(@schematics/angular): remove properties which are set by default from required

Alan Agius · kyliau · commit 9b77570fbdca · 2019-01-11T12:30:46.000-08:00
At the moment, these would end up being required to be passed even though a default is provided. Fixes #13010
diff --git a/packages/schematics/angular/service-worker/schema.json b/packages/schematics/angular/service-worker/schema.json
@@ -24,8 +24,6 @@
     }
   },
   "required": [
-    "project",
-    "target",
-    "configuration"
+    "project"
   ]
 }
