removing the sash accessors

src/vs/base/browser/ui/resizable/resizable.ts

@@ -187,20 +187,4 @@ export class ResizableHTMLElement {
 	get preferredSize() {
 		return this._preferredSize;
 	}
-
-	get northSash() {
-		return this._northSash;
-	}
-
-	get eastSash() {
-		return this._eastSash;
-	}
-
-	get westSash() {
-		return this._westSash;
-	}
-
-	get southSash() {
-		return this._southSash;
-	}
 }