清理像素规整重构残留的死代码

restore_editor_generated_image_output_dimensions 在本分支把
restore_editor_generated_image_output_dimensions_or_original 改为转发到
_with_filter 之后失去全部生产调用者，仅剩单测在用，非测试构建报 dead_code。

删除该包装函数，改由测试直接调用 _with_filter 并显式传 Lanczos3。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

server-rs/crates/api-server/src/editor_project.rs

@@ -3273,19 +3273,6 @@ async fn apply_editor_postprocessed_alpha_and_pixel_art_from_persisted_provider_
     }
 }
 
-fn restore_editor_generated_image_output_dimensions(
-    output: &DownloadedOpenAiImage,
-    model: &str,
-    target_size: &str,
-) -> Result<Option<DownloadedOpenAiImage>, AppError> {
-    restore_editor_generated_image_output_dimensions_with_filter(
-        output,
-        model,
-        target_size,
-        image::imageops::FilterType::Lanczos3,
-    )
-}
-
 fn restore_editor_generated_image_output_dimensions_with_filter(
     output: &DownloadedOpenAiImage,
     model: &str,
@@ -9183,10 +9170,11 @@ mod tests {
             mime_type: "image/png".to_string(),
             extension: "png".to_string(),
         };
-        let restored = restore_editor_generated_image_output_dimensions(
+        let restored = restore_editor_generated_image_output_dimensions_with_filter(
             &provider_output,
             GPT_IMAGE_2_MODEL,
             "720x540",
+            image::imageops::FilterType::Lanczos3,
         )
         .expect("provider output should restore delivery dimensions")
         .expect("mismatched provider output should require a transformation");