texture_cache: Remove dead code within SynchronizeAliases

Since these were being copied by value, none of the changes applied in
the loop would be reflected.

However, from the looks of it, this would already be applied within
CopyImage() anyways, so this can be removed.

src/video_core/texture_cache/texture_cache.h

@@ -1736,19 +1736,7 @@ void TextureCache<P>::SynchronizeAliases(ImageId image_id) {
             continue;
         }
         ScaleUp(aliased_image);
-
-        const bool both_2d{image.info.type == ImageType::e2D &&
-                           aliased_image.info.type == ImageType::e2D};
-        auto copies = aliased->copies;
-        for (auto copy : copies) {
-            copy.extent.width = std::max<u32>(
-                (copy.extent.width * resolution.up_scale) >> resolution.down_shift, 1);
-            if (both_2d) {
-                copy.extent.height = std::max<u32>(
-                    (copy.extent.height * resolution.up_scale) >> resolution.down_shift, 1);
-            }
-        }
-        CopyImage(image_id, aliased->id, copies);
+        CopyImage(image_id, aliased->id, aliased->copies);
     }
 }