feat(@schematics/angular): stop adding @angular/http dependency when running universal schematic

`@angular/platform-server` is no longer dependent on `@angular/http` More info: angular/angular@9745f55

Author: alan-agius4

packages/schematics/angular/universal/index.ts

@@ -208,12 +208,7 @@ function addDependencies(): Rule {
  ...coreDep,
  name: '@angular/platform-server',
  };
- const httpDep = {
- ...coreDep,
- name: '@angular/http',
- };
  addPackageJsonDependency(host, platformServerDep);
- addPackageJsonDependency(host, httpDep);
 
  return host;
  };