Fixes the clippy lints:
warning: unnecessary use of `get("lo").is_none()`
--> proxmox-network-api/src/config/parser.rs:603:30
|
603 | if config.interfaces.get("lo").is_none() {
| ------------------^^^^^^^^^^^^^^^^^^^
| |
| help: replace it with: `!config.interfaces.contains_key("lo")`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
= note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>