Update packages, remove unused stuff from package.json

package.json

@@ -5,10 +5,7 @@
   "scripts": {
     "ng": "ng",
     "start": "ng serve --proxy-config proxy.conf.json",
-    "build": "ng build --prod --aot --build-optimizer",
-    "test": "ng test",
-    "lint": "ng lint",
-    "e2e": "ng e2e"
+    "build": "ng build --prod --aot --build-optimizer"
   },
   "private": true,
   "dependencies": {
@@ -29,7 +26,7 @@
     "node-sass": "^4.7.2",
     "rxjs": "^6.0.0",
     "rxjs-compat": "^6.1.0",
-    "rxjs-websockets": "^4.0.0",
+    "rxjs-websockets": "^5.0.0",
     "showdown": "^1.8.5",
     "xterm": "^3.1.0",
     "zone.js": "^0.8.26"
@@ -39,19 +36,9 @@
     "@angular/cli": "^6.0.3",
     "@angular/compiler-cli": "^6.0.2",
     "@angular/language-service": "^6.0.2",
-    "@types/jasmine": "~2.8.6",
-    "@types/jasminewd2": "~2.0.3",
     "@types/node": "~8.9.4",
     "@types/showdown": "^1.7.2",
     "codelyzer": "~4.2.1",
-    "jasmine-core": "~2.99.1",
-    "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~1.7.1",
-    "karma-chrome-launcher": "~2.2.0",
-    "karma-coverage-istanbul-reporter": "~1.4.2",
-    "karma-jasmine": "~1.1.1",
-    "karma-jasmine-html-reporter": "^0.2.2",
-    "protractor": "~5.3.0",
     "ts-node": "~5.0.1",
     "tslint": "^5.10.0",
     "typescript": "~2.7.2"