Cleanup dependencies

package.json

@@ -72,14 +72,12 @@
     "@types/node": "6.0.46",
     "camelcase": "4.0.0",
     "chalk": "2.4.1",
-    "codemirror-minified": "5.44.0",
     "concurrently": "4.0.1",
     "core-js": "2.6.5",
     "glob": "7.1.1",
     "gulp": "3.9.1",
     "gulp-inline-ng2-template": "5.0.1",
     "jasmine-core": "2.5.2",
-    "jointjs": "2.2.1",
     "jquery": "3.1.1",
     "jshint": "2.10.2",
     "karma": "1.5.0",
@@ -90,7 +88,6 @@
     "karma-jasmine-html-reporter": "0.2.2",
     "lite-server": "2.4.0",
     "ngx-bootstrap": "4.2.0",
-    "node-sass": "4.9.0",
     "rimraf": "2.6.1",
     "rollup": "1.14.2",
     "rollup-plugin-commonjs": "10.0.0",
@@ -100,7 +97,6 @@
     "shelljs": "0.8.1",
     "standard-version": "4.0.0",
     "systemjs": "0.21.4",
-    "ts-disposables": "2.2.3",
     "tslint": "5.17.0",
     "typescript": "~3.4.0",
     "uglify-js": "3.6.0",

postinstall.js

@@ -1,16 +0,0 @@
-'use strict';
-
-const path = require("path");
-const rimraf = require('rimraf');
-
-const directoryToDelete = 'node_modules';
-const fullPath = path.resolve(directoryToDelete);
-
-console.log('Executing PostInstall - Deleting: ' + fullPath);
-
-rimraf(fullPath, function(error) {
-	if (error) {
-		console.log('Error: ', error);
-	}
-});
-