Fix unmovable Cardinal blank panel

Signed-off-by: falkTX <falktx@falktx.com>

plugins/Cardinal/plugin.json

@@ -80,7 +80,7 @@
       "slug": "Blank",
       "disabled": false,
       "name": "Blank",
-      "description": "Cardinal's own blank panel",
+      "description": "Cardinal's own blank panel, featuring Hatsune Miku",
       "tags": [
         "Visual"
       ]

plugins/Cardinal/src/Blank.cpp

@@ -36,7 +36,7 @@ struct CardinalBlankModule : Module {
     }
 };
 
-struct CardinalBlankImage : OpaqueWidget {
+struct CardinalBlankImage : Widget {
     int imageId = -2;
     int imageWidth = 0;
     int imageHeight = 0;
@@ -47,14 +47,6 @@ struct CardinalBlankImage : OpaqueWidget {
         this->hasModule = hasModule;
     }
 
-    /*
-    ~CardinalBlankWidget()
-    {
-        if (imageId >= 0)
-            nvgDeleteImage(args.vg, imageId);
-    }
-    */
-
     void draw(const DrawArgs& args) override
     {
         if (imageId == -2)
@@ -79,8 +71,6 @@ struct CardinalBlankImage : OpaqueWidget {
                                                   imgHeight, 0, imageId, 1.0f));
             nvgFill(args.vg);
         }
-
-        OpaqueWidget::draw(args);
     }
 };