Remove everything but markdown from third_party

third_party/pkg/route_hierarchical/package.json

Index: third_party/pkg/route_hierarchical/package.json
diff --git a/third_party/pkg/route_hierarchical/package.json b/third_party/pkg/route_hierarchical/package.json
deleted file mode 100644
index 302863b869a40a4d6b6281e094f259f5ad21b6e9..0000000000000000000000000000000000000000
--- a/third_party/pkg/route_hierarchical/package.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "name": "route.dart",
-  "branchVersion": "0.4.*",
-  "cdnVersion": "0.4.15",
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/angular/route.dart.git"
-  },
-  "devDependencies": {
-    "karma" : "~0.12.0",
-    "karma-dart" : "~0.2.6",
-    "karma-script-launcher": "*",
-    "karma-chrome-launcher": "~0.1.3",
-    "karma-firefox-launcher": "*",
-    "karma-junit-reporter": "~0.2.1",
-    "jasmine-node": "*",
-    "qq": "*"
-  },
-  "licenses": [
-    {
-      "type": "MIT",
-      "url": "https://github.com/angular/route.dart/blob/master/LICENSE"
-    }
-  ],
-  "dependencies": {}
-}