pcid: Remove a couple of unused dependencies

Cargo.lock

@@ -995,8 +995,6 @@ name = "pcid"
 version = "0.1.0"
 dependencies = [
  "bincode",
- "bit_field",
- "bitflags 1.3.2",
  "common",
  "fdt 0.1.5",
  "libc",
@@ -1006,9 +1004,7 @@ dependencies = [
  "pci_types",
  "plain",
  "redox-daemon",
- "redox_syscall",
  "serde",
- "serde_json",
  "structopt",
  "thiserror",
  "toml 0.5.11",

pcid/Cargo.toml

@@ -13,8 +13,6 @@ path = "src/lib.rs"
 
 [dependencies]
 bincode = "1.2"
-bitflags = "1"
-bit_field = "0.10"
 fdt = "0.1.5"
 libc = "0.2"
 log = "0.4"
@@ -22,9 +20,7 @@ paw = "1.0"
 pci_types = "0.10"
 plain = "0.2"
 redox-daemon = "0.1"
-redox_syscall = "0.5"
 serde = { version = "1", features = ["derive"] }
-serde_json = "1"
 structopt = { version = "0.3", default-features = false, features = [ "paw" ] }
 thiserror = "1"
 toml = "0.5"