ledger-tool: Remove unnecessary function to parse ledger path arg (#29952)

ledger-tool/src/ledger_path.rs

@@ -1,22 +1,9 @@
-use {
+use std::{
-    clap::{value_t, ArgMatches},
-    std::{
     fs,
     path::{Path, PathBuf},
     process::exit,
-    },
 };
 
-pub fn parse_ledger_path(matches: &ArgMatches<'_>, name: &str) -> PathBuf {
-    PathBuf::from(value_t!(matches, name, String).unwrap_or_else(|_err| {
-        eprintln!(
-            "Error: Missing --ledger <DIR> argument.\n\n{}",
-            matches.usage()
-        );
-        exit(1);
-    }))
-}
-
 // Canonicalize ledger path to avoid issues with symlink creation
 pub fn canonicalize_ledger_path(ledger_path: &Path) -> PathBuf {
     fs::canonicalize(ledger_path).unwrap_or_else(|err| {

ledger-tool/src/main.rs

@@ -2312,8 +2312,7 @@ fn main() {
 
     info!("{} {}", crate_name!(), solana_version::version!());
 
-    let ledger_path = parse_ledger_path(&matches, "ledger_path");
+    let ledger_path = PathBuf::from(value_t_or_exit!(matches, "ledger_path", String));
-
     let snapshot_archive_path = value_t!(matches, "snapshot_archive_path", String)
         .ok()
         .map(PathBuf::from);