app config refactor

src/vars.rs

@@ -78,19 +78,4 @@ impl VarsFile {
         self.vars = Some(result);
         Ok(())
     }
-
-    #[allow(dead_code)]
-    fn apply(&self) -> Result<()> {
-        if let Some(vars) = self.vars.clone() {
-            for (key, value) in vars.iter() {
-                unsafe {
-                    std::env::set_var(key, value);
-                }
-            }
-        } else {
-            Err(anyhow!("vars not parsed"))?
-        }
-
-        Ok(())
-    }
 }