Reset demo implement

Author: Pluto-Y

Demo/iOS-Echarts_iOS/Controller/WKWebViewController.m

@@ -73,10 +73,6 @@ - (IBAction)obtainDumpscreen:(id)sender {
     __weak __typeof(self) weakSelf = self;
     [_echartsView obtainEchartsImageWithType:PYEchartsViewImageTypeJEPG completed:^(UIImage *image) {
         weakSelf.imageView.image = image;
-        UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 300)];
-        imageView.image = image;
-        [weakSelf.view addSubview:imageView];
-        
     }];
 }