fix(schematics): remove duplicate schematics dep after ng-add

Author: FrozenPandaz

packages/schematics/src/collection/ng-add/index.ts

@@ -72,9 +72,6 @@ function updatePackageJson() {
  if (!packageJson.dependencies) {
  packageJson.dependencies = {};
  }
- if (!packageJson.scripts) {
- packageJson.scripts = {};
- }
  if (!packageJson.dependencies['@nrwl/nx']) {
  packageJson.dependencies['@nrwl/nx'] = nxVersion;
  }
@@ -93,6 +90,9 @@ function updatePackageJson() {
  if (!packageJson.devDependencies['ngrx-store-freeze']) {
  packageJson.devDependencies['ngrx-store-freeze'] = ngrxStoreFreezeVersion;
  }
+ if (packageJson.dependencies['@nrwl/schematics']) {
+ delete packageJson.dependencies['@nrwl/schematics'];
+ }
  if (!packageJson.devDependencies['@nrwl/schematics']) {
  packageJson.devDependencies['@nrwl/schematics'] = schematicsVersion;
  }