fix: Keep viewer resize listener

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

src/components/ViewerComponent.vue

@@ -115,13 +115,6 @@ export default {
 		},
 	},
 
-	beforeMount() {
-		// FIXME Dirty fix to avoid recreating the component on stable16
-		if (typeof this.$parent.$parent !== 'undefined' && this.$parent.$parent.onResize) {
-			window.removeEventListener('resize', this.$parent.$parent.onResize)
-		}
-	},
-
 	mounted() {
 		this.loadFileContent()
 	},