removed unlink related functions

src/linker.rs

@@ -33,18 +33,6 @@ impl Linker {
         Ok(())
     }
 
-    fn remove_link(&self, to: &Path) -> Result<(), LinkerError> {
-        let file = self.install_path().join(path_to_lowercase(to));
-        let metadata = fs::symlink_metadata(&file)?;
-
-        if !metadata.file_type().is_symlink() {
-            return Err(LinkerError::NotASymlink(file));
-        }
-
-        fs::remove_file(&file)?;
-        Ok(())
-    }
-
     fn link_recursive(&self, from: &Path, to: &Path) -> Result<(), LinkerError> {
         for entry in fs::read_dir(from)? {
             let entry = entry?;
@@ -64,30 +52,6 @@ impl Linker {
         Ok(())
     }
 
-    fn unlink_recursive(&self, from: &Path, to: &Path) -> Result<(), LinkerError> {
-        for entry in fs::read_dir(from)? {
-            let entry = entry?;
-            let entry_path = entry.path();
-            let relative = entry_path
-                .strip_prefix(from)
-                .map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))?;
-            let target_path = to.join(relative);
-
-            if entry_path.is_dir() {
-                self.unlink_recursive(&entry_path, &target_path)?;
-
-                let install_target = self.install_path().join(&target_path);
-                if install_target.exists() && fs::read_dir(&install_target)?.next().is_none() {
-                    fs::remove_dir(&install_target)?;
-                }
-            } else {
-                self.remove_link(&target_path)?;
-            }
-        }
-
-        Ok(())
-    }
-
     pub fn link_plugin_files(
         &self,
         entries: &[FileTypeEnum],