The patch was a hacky way to allow starting of demo hap applications from a root user.
The proper way to start the demo apps is by running `aa start ...` from the system user.
For example:
```
$ hdc shell "su system -c 'aa start -a ohos.samples.clock.MainAbility -b ohos.samples.clock'"
```

Signed-off-by: Francesco Pham <francesco.pham@huawei.com>