Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/gm/picture.cpp b/gm/picture.cpp
index 904046d..1ea8ada 100644
--- a/gm/picture.cpp
+++ b/gm/picture.cpp
@@ -23,7 +23,7 @@
     paint.setColor(0x80FF0000);
     path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(100, 100);
     canvas->drawPath(path, paint);
-    
+
     paint.setColor(0x8000FF00);
     path.reset(); path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(0, 100);
     canvas->drawPath(path, paint);
@@ -63,10 +63,10 @@
         SkPaint paint;
 
         canvas->drawPicture(fPicture);
-        
+
         matrix.setTranslate(110, 0);
         canvas->drawPicture(fPicture, &matrix, nullptr);
-        
+
         matrix.postTranslate(110, 0);
         canvas->drawPicture(fPicture, &matrix, &paint);