[arch-general] egrep error after update

[Reto]

On Sat, Sep 10, 2022 at 10:48:08PM +0100, pete via arch-general wrote:
> egrep: warning: egrep is obsolescent; using grep -E 

Not really surprising, considering that this is what the command
does....

/usr/bin/egrep

```
#!/bin/sh
cmd=${0##*/}
echo "$cmd: warning: $cmd is obsolescent; using grep -E" >&2
exec grep -E "$@"
```

Consider this a deprecation warning and fix your init scripts.