removed unused packages

Author: cornflourblue

package.json

@@ -23,16 +23,12 @@
         "@angular/router": "^4.0.0",
         "@angular/animations": "^4.0.0",
         "core-js": "^2.4.1",
-        "jquery": "^3.1.1",
         "rxjs": "^5.2.0",
         "systemjs": "^0.19.47",
-        "underscore": "^1.8.3",
         "zone.js": "^0.8.5"
     },
     "devDependencies": {
-        "@types/jquery": "^2.0.39",
         "@types/node": "^6.0.60",
-        "@types/underscore": "^1.7.33",
         "concurrently": "^3.1.0",
         "lite-server": "^2.3.0",
         "typescript": "^2.2.2"

systemjs.config.js

@@ -27,9 +27,7 @@
             '@angular/platform-browser/animations': 'npm:@angular/platform-browser/bundles/platform-browser-animations.umd.js',
 
             // other libraries
-            'rxjs': 'npm:rxjs',
-            'underscore': 'npm:underscore/underscore.js',
-            'jquery': 'npm:jquery/dist/jquery.js'
+            'rxjs': 'npm:rxjs'
         },
         // packages tells the System loader how to load when no filename and/or no extension
         packages: {