Reverts "Introduce ChipAnimationStyle to override default chips animations durations (#149245)" (#149847)

Reverts: flutter/flutter#149245
Initiated by: QuncCccccc
Reason for reverting: the newly-added unit test might cause the red tree
Original PR Author: TahaTesser

Reviewed By: {bleroux, Piinks}

This change reverts the following previous change:
fixes [Custom backgroundColor on Chip makes it flicker between state transitions](flutter/flutter#146730)

### Example preview
![Screenshot 2024-05-28 at 17 40 00](https://github.com/flutter/flutter/assets/48603081/b9117ed2-5afa-4d65-93ae-aa866772ffa1)

https://github.com/flutter/flutter/assets/48603081/a4949ce7-f38b-4251-8201-ecc570ec447c

Author: auto-submit[bot]

examples/api/lib/material/chip/chip_attributes.chip_animation_style.0.dart

@@ -110,7 +110,6 @@ class ActionChip extends StatelessWidget implements ChipAttributes, TappableChip
     this.surfaceTintColor,
     this.iconTheme,
     this.avatarBoxConstraints,
-    this.chipAnimationStyle,
   }) : assert(pressElevation == null || pressElevation >= 0.0),
        assert(elevation == null || elevation >= 0.0),
        _chipVariant = _ChipVariant.flat;
@@ -146,7 +145,6 @@ class ActionChip extends StatelessWidget implements ChipAttributes, TappableChip
     this.surfaceTintColor,
     this.iconTheme,
     this.avatarBoxConstraints,
-    this.chipAnimationStyle,
   }) : assert(pressElevation == null || pressElevation >= 0.0),
        assert(elevation == null || elevation >= 0.0),
        _chipVariant = _ChipVariant.elevated;
@@ -197,8 +195,6 @@ class ActionChip extends StatelessWidget implements ChipAttributes, TappableChip
   final IconThemeData? iconTheme;
   @override
   final BoxConstraints? avatarBoxConstraints;
-  @override
-  final ChipAnimationStyle? chipAnimationStyle;
 
   @override
   bool get isEnabled => onPressed != null;
@@ -237,7 +233,6 @@ class ActionChip extends StatelessWidget implements ChipAttributes, TappableChip
       surfaceTintColor: surfaceTintColor,
       iconTheme: iconTheme,
       avatarBoxConstraints: avatarBoxConstraints,
-      chipAnimationStyle: chipAnimationStyle,
     );
   }
 }