Fix some linting errors.

src/layout-renderer.ts

@@ -245,7 +245,7 @@ class LayoutRendererV2Delegate {
         this.parseTimeDefinition(letters, 'minute', this.layout.minutes);
         this.parseTimeDefinition(letters, 'hour', this.layout.hours);
         return letters;
-    };
+    }
 
     private parseObject(letters: Letter[][], styleClass: string, object: WordDefinition): void {
         if (typeof object !== 'undefined' && object !== null) {
@@ -313,10 +313,10 @@ export class LayoutRenderer {
                     this.renderarea.append('<br/>');
                 }
             });
-            if (!!beforeshow) {
+            if (beforeshow) {
                 beforeshow();
             }
             this.renderarea.fadeIn('fast');
         });
-    };
+    }
 }