Revert "Convert Windows style path separator in completers to Unix style (#1389)"

This reverts commit 49444f9c05.

helix-term/src/ui/mod.rs

@@ -313,7 +313,7 @@ pub mod completers {
                         return None;
                     }
 
-                    let is_dir = entry.file_type().map_or(false, |entry| entry.is_dir());
+                    //let is_dir = entry.file_type().map_or(false, |entry| entry.is_dir());
 
                     let path = entry.path();
                     let mut path = if is_tilde {
@@ -331,12 +331,7 @@ pub mod completers {
                         path.push("");
                     }
 
-                    let path = if cfg!(windows) && is_dir {
-                        // Convert Windows style path separator to Unix style
-                        path.to_str().unwrap().replace("\\", "/")
-                    } else {
-                        path.to_str().unwrap().to_owned()
-                    };
+                    let path = path.to_str().unwrap().to_owned();
                     Some((end.clone(), Cow::from(path)))
                 })
             }) // TODO: unwrap or skip