[networking] Remove superfluous if/out_ns and re-indent per-ns code

Split this into its own commit as it's mostly indentation changes.

From:
```
        if self.g_n_n():
            out_ns = self.g_n_n(<filters>)
            for namespace in out_ns:
            ...

            if self.get_option('ethtool_namespaces'):
                for namespace in out_ns:
                ...
```

To:
```
        for namespace in self.g_n_n(<filters>):
              ...

        if self.get_option('ethtool_namespaces'):
            for namespace in self.g_n_n(<filters>):
            ...
```

Resolves: #2308

Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com>
Signed-off-by: Jake Hunsaker <jhunsake@redhat.com>

0 files changed, 0 insertions, 0 deletions