chore(factor): remove unused dependencies

Cargo.lock

@@ -3519,7 +3519,6 @@ dependencies = [
  "memchr",
  "num-bigint",
  "num-prime",
- "num-traits",
  "uucore",
 ]
 

src/uu/factor/Cargo.toml

@@ -15,13 +15,9 @@ readme.workspace = true
 [lints]
 workspace = true
 
-[build-dependencies]
-num-traits = { workspace = true } # used in src/numerics.rs, which is included by build.rs
-
 [dependencies]
 clap = { workspace = true }
-num-traits = { workspace = true }
-uucore = { workspace = true, features = ["quoting-style"] }
+uucore = { workspace = true }
 memchr = { workspace = true }
 num-bigint = { workspace = true }
 num-prime = { workspace = true }