remove align16 calls in skhader context sizes. will handle this elsewhere as needed

src/effects/gradients/SkTwoPointConicalGradient.cpp

Index: src/effects/gradients/SkTwoPointConicalGradient.cpp
diff --git a/src/effects/gradients/SkTwoPointConicalGradient.cpp b/src/effects/gradients/SkTwoPointConicalGradient.cpp
index f4b6b0c8b0ccac11c1fcb2d47ce2fdd2ffb7072b..43d6f1f7c997e87888e407537dfae942eeb972bc 100644
--- a/src/effects/gradients/SkTwoPointConicalGradient.cpp
+++ b/src/effects/gradients/SkTwoPointConicalGradient.cpp
@@ -212,7 +212,7 @@ bool SkTwoPointConicalGradient::isOpaque() const {
 }
 
 size_t SkTwoPointConicalGradient::onContextSize(const ContextRec&) const {
-    return SkAlign16(sizeof(TwoPointConicalGradientContext));
+    return sizeof(TwoPointConicalGradientContext);
 }
 
 SkShader::Context* SkTwoPointConicalGradient::onCreateContext(const ContextRec& rec,