Removed ' selectable' property

Author: sllethe

src/lib/list/selection-list.ts

@@ -67,9 +67,6 @@ export class MdSelectionList extends _MdSelectionListMixinBase
   /** Subscription to option changes from the selection-list. */
   private _optionsChangeSubscription: Subscription;
 
-  /** Whether or not the option is selectable. */
-  protected _selectable: boolean = true;
-
   /** The FocusKeyManager which handles focus. */
   _keyManager: FocusKeyManager;
 
@@ -117,16 +114,6 @@ export class MdSelectionList extends _MdSelectionListMixinBase
     }
   }
 
-  /**
-   * Whether or not this option is selectable. When a option is not selectable,
-   * its selected state is always ignored.
-   */
-  @Input()
-  get selectable(): boolean { return this._selectable; }
-  set selectable(value: boolean) {
-    this._selectable = coerceBooleanProperty(value);
-  }
-
   focus() {
     this._element.nativeElement.focus();
   }
@@ -146,10 +133,6 @@ export class MdSelectionList extends _MdSelectionListMixinBase
 
   /** Toggles the selected state of the currently focused option. */
   protected _toggleSelectOnFocusedOption(): void {
-    if (!this.selectable) {
-      return;
-    }
-
     let focusedIndex = this._keyManager.activeItemIndex;
 
     if (focusedIndex != null && this._isValidIndex(focusedIndex)) {
@@ -161,7 +144,6 @@ export class MdSelectionList extends _MdSelectionListMixinBase
     }
   }
 
-
   /**
    * Iterate through the list of options and add them to our list of
    * subscribed options.