cksum family: delete useless wrap

Author: oech3

src/uu/checksum_common/src/lib.rs

@@ -79,7 +79,7 @@ pub fn standalone_with_length_main(
     let tag = matches.get_flag(options::TAG);
     let format = OutputFormat::from_standalone(text, tag);
 
-    checksum_main(algo, length, matches, format?)
+    checksum_main(algo, length, matches, format)
 }
 
 /// Entrypoint for standalone checksums *NOT* accepting the `--length` argument
@@ -91,7 +91,7 @@ pub fn standalone_main(algo: AlgoKind, cmd: Command, args: impl uucore::Args) ->
     let tag = matches.get_flag(options::TAG);
     let format = OutputFormat::from_standalone(text, tag);
 
-    checksum_main(algo, None, matches, format?)
+    checksum_main(algo, None, matches, format)
 }
 
 /// Base command processing for all the checksum executables.

src/uucore/src/lib/features/checksum/compute.rs

@@ -115,19 +115,18 @@ impl OutputFormat {
     ///
     /// Since standalone utils can't use the Raw or Legacy output format, it is
     /// decided only using the --tag, --binary and --text arguments.
-    #[allow(clippy::unnecessary_wraps)]
-    pub fn from_standalone(text: bool, tag: bool) -> UResult<Self> {
+    pub fn from_standalone(text: bool, tag: bool) -> Self {
         if tag {
-            Ok(Self::Tagged(DigestFormat::Hexadecimal))
+            Self::Tagged(DigestFormat::Hexadecimal)
         } else {
-            Ok(Self::Untagged(
+            Self::Untagged(
                 DigestFormat::Hexadecimal,
                 if text {
                     ReadingMode::Text
                 } else {
                     ReadingMode::Binary
                 },
-            ))
+            )
         }
     }
 }