pr: move from getopts to clap

fixes

Cargo.lock

@@ -890,15 +890,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "getopts"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.4"
@@ -2905,7 +2896,6 @@ version = "0.0.12"
 dependencies = [
  "chrono",
  "clap 3.0.10",
- "getopts",
  "itertools",
  "quick-error",
  "regex",

src/uu/pr/Cargo.toml

@@ -17,7 +17,6 @@ path = "src/pr.rs"
 [dependencies]
 clap = { version = "3.0", features = ["wrap_help", "cargo"] }
 uucore = { version=">=0.0.7", package="uucore", path="../../uucore", features=["entries"] }
-getopts = "0.2.21"
 chrono = "0.4.19"
 quick-error = "2.0.1"
 itertools = "0.10.0"