Remove SkCanvas matrix ops return value.

src/device/xps/SkXPSDevice.cpp

Index: src/device/xps/SkXPSDevice.cpp
diff --git a/src/device/xps/SkXPSDevice.cpp b/src/device/xps/SkXPSDevice.cpp
index e7b5d41fb065a4b14e3663059c1f1c36f4d22bc6..f70c807de8599bb5cc13143ce0b440825a24edb6 100644
--- a/src/device/xps/SkXPSDevice.cpp
+++ b/src/device/xps/SkXPSDevice.cpp
@@ -1696,9 +1696,7 @@ void SkXPSDevice::drawPath(const SkDraw& d,
             }
             platonicPath.transform(*prePathMatrix, skeletalPath);
         } else {
-            if (!matrix.preConcat(*prePathMatrix)) {
-                return;
-            }
+            matrix.preConcat(*prePathMatrix);
         }
     }