Fix some feature combinations

Without this `--no-default-features --features full,extra-traits` does
not compile.
diff --git a/src/lib.rs b/src/lib.rs
index 55d898a..ff5d62c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -382,7 +382,7 @@
 #[cfg(feature = "parsing")]
 pub mod synom;
 pub mod punctuated;
-#[cfg(all(any(feature = "full", feature = "derive"), feature = "parsing"))]
+#[cfg(any(feature = "full", feature = "derive"))]
 mod tt;
 
 #[cfg(all(feature = "parsing", feature = "printing"))]