refactor(ws): Remove now-too-thin default_target_dir

Author: epage

src/cargo/core/workspace.rs

@@ -450,17 +450,13 @@ impl<'gctx> Workspace<'gctx> {
     pub fn target_dir(&self) -> Filesystem {
         self.target_dir
             .clone()
-            .unwrap_or_else(|| self.default_target_dir())
+            .unwrap_or_else(|| Filesystem::new(self.root().join("target")))
     }
 
     pub fn build_dir(&self) -> Filesystem {
         self.build_dir.clone().unwrap_or_else(|| self.target_dir())
     }
 
-    fn default_target_dir(&self) -> Filesystem {
-        Filesystem::new(self.root().join("target"))
-    }
-
     /// Returns the root `[replace]` section of this workspace.
     ///
     /// This may be from a virtual crate or an actual crate.