Removes unnecessary destroy methods

src/renderers/EventRenderer.ts

@@ -97,15 +97,6 @@ export abstract class BaseEventRenderer implements EventRendererStrategy {
   }
 
 
-  /**
-   * Cleanup method for proper resource management
-   */
-  public destroy(): void {
-    this.draggedClone = null;
-    this.originalEvent = null;
-  }
-
-
   /**
    * Apply common drag styling to an element
    */

src/renderers/EventRendererManager.ts

@@ -310,8 +310,4 @@ export class EventRenderingService {
     public refresh(container?: HTMLElement): void {
         this.clearEvents(container);
     }
-
-    public destroy(): void {
-        this.clearEvents();
-    }
 }

src/renderers/GridRenderer.ts

@@ -229,22 +229,6 @@ export class GridRenderer {
     (this as any).cachedColumnContainer = columnContainer;
   }
 */
-  /**
-   * Clean up cached elements and event listeners
-   */
-  public destroy(): void {
-    // Clean up grid-only event listeners
-   // if ((this as any).gridBodyEventListener && (this as any).cachedColumnContainer) {
-     // (this as any).cachedColumnContainer.removeEventListener('mouseover', (this as any).gridBodyEventListener);
-    //}
-    
-    // Clear cached references
-    this.cachedGridContainer = null;
-    this.cachedTimeAxis = null;
-    (this as any).gridBodyEventListener = null;
-    (this as any).cachedColumnContainer = null;
-  }
-
   /**
    * Create navigation grid container for slide animations
    * Now uses same implementation as initial load for consistency

src/renderers/NavigationRenderer.ts

@@ -112,11 +112,4 @@ export class NavigationRenderer {
     });
   }
 
-  /**
-   * Public cleanup method for cached elements
-   */
-  public destroy(): void {
-    this.clearCache();
-  }
-
 }