test: remove unused E2E size tracking artifact generation test
test: remove unused E2E size tracking artifact generation test

These files are no longer used to perform any size tracking and are also
no longer stored as artifacts within CircleCI.

angular/angular-cli,clydin/angular-cli,clydin/angular-cli,angular/angular-cli,angular/angular-cli,clydin/angular-cli,clydin/angular-cli,angular/angular-cli