Fix some obvious comment

Co-authored-by: Daniel Hofstetter <daniel.hofstetter@42dh.com>

src/uu/cp/src/cp.rs

@@ -1195,8 +1195,6 @@ pub fn copy(sources: &[PathBuf], target: &Path, options: &Options) -> CopyResult
             // FIXME: compare sources by the actual file they point to, not their path. (e.g. dir/file == dir/../dir/file in most cases)
             show_warning!("source {} specified more than once", source.quote());
         } else {
-            // We need to compute the destination path
-
             let dest = construct_dest_path(source, target, target_type, options)
                 .unwrap_or_else(|_| target.to_path_buf());
 

src/uu/ln/src/ln.rs

@@ -342,7 +342,7 @@ fn link_files_in_dir(files: &[PathBuf], target_dir: &Path, settings: &Settings)
             };
 
         if linked_destinations.contains(&targetpath) {
-            // If the target file was already created in this linked call, do not overwrite
+            // If the target file was already created in this ln call, do not overwrite
             show_error!(
                 "will not overwrite just-created '{}' with '{}'",
                 targetpath.display(),

tests/by-util/test_ln.rs

@@ -747,7 +747,7 @@ fn test_ln_seen_file() {
     assert!(at.plus("c").join("f").exists());
     // b/f still exists
     assert!(at.plus("b").join("f").exists());
-    // a/f no longer exists
+    // a/f still exists
     assert!(at.plus("a").join("f").exists());
     #[cfg(unix)]
     {