chore: Disable minerd from building before removal

Cargo.lock

@@ -4309,34 +4309,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "minerd"
-version = "0.5.0"
-dependencies = [
- "bs58",
- "darkfi",
- "darkfi-sdk",
- "darkfi-serial",
- "easy-parallel",
- "libc",
- "num-bigint",
- "once_cell",
- "parking_lot 0.12.5",
- "randomx",
- "serde",
- "signal-hook",
- "signal-hook-async-std",
- "smol",
- "structopt",
- "structopt-toml",
- "tinyjson",
- "toml 0.9.8",
- "tracing",
- "tracing-appender",
- "tracing-subscriber",
- "url",
-]
-
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"

Cargo.toml

@@ -22,7 +22,6 @@ bench = false
 members = [
     "bin/zkas",
     "bin/darkfid",
-    "bin/minerd",
     "bin/explorer/explorerd",
     "bin/drk",
     "bin/fud/fu",