[Cleanup] Remove an un-necessary blank line

No behavior change, removing an un-necessary blank line only.

TBR=andruud@chromium.org

Bug: None
Change-Id: I378f66e0df75016b1d9848fe55ea8325d84e3556
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1643889
Commit-Queue: Xida Chen <xidachen@chromium.org>
Reviewed-by: Stephen McGruer <smcgruer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666069}

third_party/blink/renderer/core/css/css_paint_value.cc

@@ -67,7 +67,6 @@ scoped_refptr<Image> CSSPaintValue::GetImage(
   // For Off-Thread PaintWorklet, we just collect the necessary inputs together
   // and defer the actual JavaScript call until much later (during cc Raster).
   if (RuntimeEnabledFeatures::OffMainThreadCSSPaintEnabled()) {
-
     // TODO(crbug.com/946515): Break dependency on LayoutObject.
     const LayoutObject& layout_object =
         static_cast<const LayoutObject&>(client);