refactor: remove unused Forge Deref implementation

crates/forge/src/lib.rs

@@ -27,18 +27,6 @@ impl Forge {
         }
     }
 }
-impl std::ops::Deref for Forge {
-    type Target = dyn git::ForgeLike;
-    fn deref(&self) -> &Self::Target {
-        match self {
-            Self::Mock => unreachable!(),
-            #[cfg(feature = "forgejo")]
-            Self::ForgeJo(env) => env,
-            #[cfg(feature = "github")]
-            Self::Github(env) => env,
-        }
-    }
-}
 
 #[cfg(test)]
 pub mod tests;