Correctly dispose of frames.

Former-commit-id: b3432bab210ef6349acdcfaa74c5db3f29428bca
Former-commit-id: 00acbc726a0fb28d244d9fdb2eb79048d54cc744
Former-commit-id: 8ada24a491c596f5f563daab396d84be59f7433e

src/ImageProcessorCore/Image.cs

@@ -229,9 +229,7 @@ namespace ImageProcessorCore
                 return;
             }
 
-            if (disposing)
+            // Dispose of the unmanaged resources for each frame here.
-            {
-                // Dispose of any managed resources here.
             if (this.Frames.Any())
             {
                 foreach (ImageFrame frame in this.Frames)
@@ -240,7 +238,6 @@ namespace ImageProcessorCore
                 }
                 this.Frames.Clear();
             }
-            }
 
             base.Dispose(disposing);
         }