Some of the executables installed by `rust-coreutils` are already
provided by other packages:
- `more` is provided by `util-linux`
- `hostname` is provided by `hostname`
- `kill` and `uptime` are provided by `procps`

Removing those executables from this package solves conflicts.

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>

Executables are installed to `/usr/lib/cargo/bin/coreutils` in the
Debian package as this is an experimental package, not meant to replace
`coreutils` yet, contrary to what we want for Apertis.

This commit changes the install path of all executables so they are
placed in `/bin` and `/usr/bin`, and can therefore be used system-wide.

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>