Docserver: Disable NaCL docs and apps samples. The bug referenced is for the

chrome/common/extensions/docs/templates/json/content_providers.json

 // === Overview ===
 //
 // This file configures where to find and how to serve content in the docserver.
 // It's the most fundamentally important file in all of the docserver.
 //
 // === Format ===
 //
 // Each entry declares a rule with:
 //  * An arbitrary identifier key e.g. "cr-extensions-examples".
 //  * What URL the rule should be invoked with, given by "serveFrom", e.g.
@@ skipping 51 matching lines @@
     },
     "defaultExtensions": [".html", ".md"],
     "serveFrom": "",
     "supportsTemplates": true
   },
   "cr-static": {
     "chromium": {
       "dir": "chrome/common/extensions/docs/static"
     },
     "serveFrom": "static"
-  },
-  "cr-native-client": {
-    "chromium": {
-      "dir": "native_client_sdk/doc_generated"
-    },
-    "defaultExtensions": [".html", ".md"],
-    "serveFrom": "native-client",
-    "supportsTemplates": true
   }
+  //"cr-native-client": {
+  //  "chromium": {
+  //    "dir": "native_client_sdk/doc_generated"
+  //  },
+  //  "defaultExtensions": [".html", ".md"],
+  //  "serveFrom": "native-client",
+  //  "supportsTemplates": true
+  //},
   //"devtools-docs": {
   //  "defaultExtensions": [".html", ".md"],
   //  "gcs": {
   //    "bucket": "gs://chromedocs-devtools"
   //  },
   //  "serveFrom": "devtools",
   //  "supportsTemplates": true
   //},
   //"multidevice-docs": {
   //  "defaultExtensions": [".html", ".md"],
   //  "gcs": {
   //    "bucket": "gs://chromedocs-multidevice"
   //  },
   //  "serveFrom": "multidevice",
   //  "supportsTemplates": true
   //},
   //"webstore-docs": {
   //  "defaultExtensions": [".html", ".md"],
   //  "gcs": {
   //    "bucket": "gs://chromedocs-webstore"
   //  },
   //  "serveFrom": "webstore",
   //  "supportsTemplates": true
   //}
 }