fix(@angular/cli): remove @angular-devkit/build-ng-packagr from packageGroup
fix(@angular/cli): remove @angular-devkit/build-ng-packagr from packageGroup

This package is no longer released.

clydin/angular-cli,Brocco/angular-cli,catull/angular-cli,catull/angular-cli,Brocco/angular-cli,ocombe/angular-cli,ocombe/angular-cli,clydin/angular-cli,Brocco/angular-cli,angular/angular-cli,ocombe/angular-cli,ocombe/angular-cli,clydin/angular-cli,Brocco/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,clydin/angular-cli,angular/angular-cli,catull/angular-cli,angular/angular-cli,geofffilippi/angular-cli,geofffilippi/angular-cli,catull/angular-cli,ocombe/angular-cli,geofffilippi/angular-cli,angular/angular-cli