Remove `RenderObject.rotate` (#103092)

packages/flutter/lib/src/rendering/object.dart

@@ -2119,24 +2119,6 @@ abstract class RenderObject extends AbstractNode with DiagnosticableTreeMixin im
     }
   }
 
-  /// Rotate this render object (not yet implemented).
-  void rotate({
-    int? oldAngle, // 0..3
-    int? newAngle, // 0..3
-    Duration? time,
-  }) { }
-
-  // when the parent has rotated (e.g. when the screen has been turned
-  // 90 degrees), immediately prior to layout() being called for the
-  // new dimensions, rotate() is called with the old and new angles.
-  // The next time paint() is called, the coordinate space will have
-  // been rotated N quarter-turns clockwise, where:
-  //    N = newAngle-oldAngle
-  // ...but the rendering is expected to remain the same, pixel for
-  // pixel, on the output device. Then, the layout() method or
-  // equivalent will be called.
-
-
   // PAINTING
 
   /// Whether [paint] for this render object is currently running.

packages/flutter/lib/src/rendering/view.dart

@@ -169,11 +169,6 @@ class RenderView extends RenderObject with RenderObjectWithChildMixin<RenderBox>
       child!.layout(BoxConstraints.tight(_size));
   }
 
-  @override
-  void rotate({ int? oldAngle, int? newAngle, Duration? time }) {
-    assert(false); // nobody tells the screen to rotate, the whole rotate() dance is started from our performResize()
-  }
-
   /// Determines the set of render objects located at the given position.
   ///
   /// Returns true if the given point is contained in this render object or one