remove in_columns and in_rows again

examples/button.rs

@@ -22,7 +22,7 @@ fn main() -> gooey::Result {
                 .on_click(count.with_clone(|count| move |_| count.set(count.get() - 1)))
                 .with(&ButtonOutline, Color::DARKRED),
         )
-        .in_columns()
+        .into_columns()
         // Run the button as an an application.
         .run()
     // end rustme snippet

src/widget.rs

@@ -1199,18 +1199,6 @@ impl Children {
         self
     }
 
-    /// Creates [`Stack::columns`] from self.
-    #[must_use]
-    pub fn in_columns(self) -> Stack {
-        Stack::columns(self)
-    }
-
-    /// Creates [`Stack::rows`] from self.
-    #[must_use]
-    pub fn in_rows(self) -> Stack {
-        Stack::rows(self)
-    }
-
     /// Returns the number of widgets in this list.
     #[must_use]
     pub fn len(&self) -> usize {