Remove dead code in SkBitmapProcLegacyShader::ContextSize

src/pathops/SkOpSegment.cpp

Index: src/pathops/SkOpSegment.cpp
diff --git a/src/pathops/SkOpSegment.cpp b/src/pathops/SkOpSegment.cpp
index 439392fc4f6215854e84e0d80660e7903a4be449..f3f874710e0d78e0e3ef35bdf5beb4bc9d760e5e 100644
--- a/src/pathops/SkOpSegment.cpp
+++ b/src/pathops/SkOpSegment.cpp
@@ -1058,9 +1058,6 @@ SkOpSegment* SkOpSegment::nextChase(SkOpSpanBase** startPtr, int* stepPtr, SkOpS
         return set_last(last, endSpan);
     }
     SkASSERT(*startPtr);
-    if (!otherEnd) {
-        return nullptr;
-    }
 //    SkASSERT(otherEnd >= 0);
     SkOpSpan* origMin = step < 0 ? origStart->prev() : origStart->upCast();
     SkOpSpan* foundMin = foundSpan->starter(otherEnd);