Remove isCuttable api

Author: RoboErikG

core/block_svg.ts

@@ -1726,11 +1726,6 @@ export class BlockSvg
     return this.isOwnDeletable() && this.isOwnMovable();
   }
 
-  /** Returns whether this block is cuttable or not. */
-  isCuttable(): boolean {
-    return this.isDeletable() && this.isMovable();
-  }
-
   /** Returns whether this block is movable or not. */
   override isMovable(): boolean {
     return this.dragStrategy.isMovable();

core/comments/rendered_workspace_comment.ts

@@ -249,11 +249,6 @@ export class RenderedWorkspaceComment
     return this.isOwnMovable() && this.isOwnDeletable();
   }
 
-  /** Returns whether this comment is cuttable or not */
-  isCuttable(): boolean {
-    return this.isMovable() && this.isDeletable();
-  }
-
   /** Returns whether this comment is movable or not. */
   isMovable(): boolean {
     return this.dragStrategy.isMovable();

core/interfaces/i_copyable.ts

@@ -22,13 +22,6 @@ export interface ICopyable<T extends ICopyData> extends ISelectable {
    * @returns True if it can currently be copied.
    */
   isCopyable?(): boolean;
-
-  /**
-   * Whether this instance is currently cuttable.
-   *
-   * @returns True if it can currently be cut.
-   */
-  isCuttable?(): boolean;
 }
 
 export namespace ICopyable {

core/shortcut_items.ts

@@ -125,19 +125,13 @@ function isCopyable(focused: IFocusableNode): boolean {
 /**
  * Determine if a focusable node can be cut.
  *
- * This will use the isCuttable method if the node implements it, otherwise
- * it will fall back to checking if the node can be moved and deleted in its
- * current workspace.
+ * This will check if the node can be both copied and deleted in its current
+ * workspace.
  *
  * @param focused The focused object.
  */
 function isCuttable(focused: IFocusableNode): boolean {
-  if (!isICopyable(focused) || !isIDeletable(focused) || !isDraggable(focused))
-    return false;
-  if (focused.isCuttable !== undefined) {
-    return focused.isCuttable();
-  }
-  return focused.isMovable() && focused.isDeletable();
+  return isCopyable(focused) && isIDeletable(focused) && focused.isDeletable();
 }
 
 /**