Remove out dated todos from integration tests with no issue links (#85461)

dev/integration_tests/flutter_gallery/lib/demo/transformations/transformations_demo_gesture_transformable.dart

@@ -175,8 +175,8 @@ class _GestureTransformableState extends State<GestureTransformable> with Ticker
   }
 
   // Get the offset of the current widget from the global screen coordinates.
-  // TODO(justinmc): Protect against calling this during first build.
   static Offset getOffset(BuildContext context) {
+    assert(context.findRenderObject() != null, 'The given context must have a renderObject, such as after the first build has completed.');
     final RenderBox renderObject = context.findRenderObject()! as RenderBox;
     return renderObject.localToGlobal(Offset.zero);
   }
@@ -334,8 +334,6 @@ class _GestureTransformableState extends State<GestureTransformable> with Ticker
       Offset(nextTranslation.dx, nextTranslation.dy),
     );
     if (!inBoundaries) {
-      // TODO(justinmc): Instead of canceling translation when it goes out of
-      // bounds, stop translation at boundary.
       return matrix;
     }
 

dev/integration_tests/flutter_gallery/lib/demo/transformations/transformations_demo_inertial_motion.dart

@@ -9,7 +9,6 @@ import 'package:vector_math/vector_math.dart' show Vector2;
 // Provides calculations for an object moving with inertia and friction using
 // the equation of motion from physics.
 // https://en.wikipedia.org/wiki/Equations_of_motion#Constant_translational_acceleration_in_a_straight_line
-// TODO(justinmc): Can this be replaced with friction_simulation.dart?
 @immutable
 class InertialMotion {
   const InertialMotion(this._initialVelocity, this._initialPosition);
@@ -30,7 +29,6 @@ class InertialMotion {
 
   // The acceleration opposing the initial velocity in x and y components.
   Vector2 get _acceleration {
-    // TODO(justinmc): Find actual velocity instead of summing?
     final double velocityTotal = _initialVelocity.pixelsPerSecond.dx.abs()
       + _initialVelocity.pixelsPerSecond.dy.abs();
     final double vRatioX = _initialVelocity.pixelsPerSecond.dx / velocityTotal;