pve-rs: drop unused openssl dep

we don't directly use it

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

pve-rs/Cargo.toml

@@ -21,7 +21,6 @@ base64 = "0.13"
 hex = "0.4"
 libc = "0.2"
 nix = "0.19"
-openssl = "0.10"
 serde = "1.0"
 serde_bytes = "0.11"
 serde_json = "1.0"

pve-rs/debian/control

@@ -13,7 +13,6 @@ Build-Depends:
  librust-hex-0.4+default-dev,
  librust-libc-0.2+default-dev,
  librust-nix-0.19+default-dev,
- librust-openssl-0.10+default-dev,
  librust-perlmod-0.11+default-dev,
  librust-perlmod-0.11+exporter-dev,
  librust-proxmox-apt-0.8+default-dev,