build(docs-infra): clean up dependencies and npm scripts in systemjs docs examples (#36015)

Previously, the `package.json` files added as boilerplate to docs
example projects of type `systemjs` were incorrect/outdated. They
contained unused dependencies and npm scripts and omitted used
dependencies.

This is not a big issue, because these examples are not offered as live
StackBlitz examples or downloadable ZIP archives, but having incorrect
`package.json` files is confusing and makes it more complicated to
update these examples.

This commit updates the `package.json` templates for the `systemjs` docs
examples and other configuration files to include used dependencies (and
remove unused ones). It also removes unused npm scripts.

PR Close #36015

aio/tools/example-zipper/customizer/package-json/systemjs.json

@@ -13,32 +13,47 @@
     { "name": "serve:upgrade" },
     { "name": "build:aot" },
     { "name": "serve:aot" },
-    { "name": "build:babel" },
-    { "name": "copy-dist-files" },
-    { "name": "i18n" }
+    { "name": "copy-dist-files" }
   ],
   "dependencies": [
-    "systemjs"
+    "@angular/animations",
+    "@angular/common",
+    "@angular/compiler",
+    "@angular/core",
+    "@angular/forms",
+    "@angular/platform-browser",
+    "@angular/platform-browser-dynamic",
+    "@angular/router",
+    "@angular/upgrade",
+    "rxjs",
+    "systemjs",
+    "tslib",
+    "zone.js"
   ],
   "devDependencies": [
+    "@angular/compiler-cli",
     "@types/angular",
     "@types/angular-animate",
-    "@types/angular-cookies",
     "@types/angular-mocks",
     "@types/angular-resource",
     "@types/angular-route",
-    "@types/angular-sanitize",
-    "babel-cli",
-    "babel-preset-angular2",
-    "babel-preset-es2015",
-    "canonical-path",
-    "http-server",
+    "@types/jasmine",
+    "@types/jasminewd2",
+    "@types/node",
     "concurrently",
+    "http-server",
+    "jasmine-core",
+    "karma",
+    "karma-chrome-launcher",
+    "karma-jasmine",
+    "karma-jasmine-html-reporter",
     "lite-server",
+    "protractor",
     "rollup",
     "rollup-plugin-commonjs",
     "rollup-plugin-node-resolve",
     "rollup-plugin-uglify",
-    "source-map-explorer"
+    "tslint",
+    "typescript"
   ]
 }