Remove Matrix4::load(Matrix4&)

bug:22320446

Change-Id: Id6d1cc9b4aea828b0cdf622ad672064d72671f8d
diff --git a/libs/hwui/Matrix.h b/libs/hwui/Matrix.h
index ed54a25..ed517ac 100644
--- a/libs/hwui/Matrix.h
+++ b/libs/hwui/Matrix.h
@@ -114,7 +114,6 @@
     void loadIdentity();
 
     void load(const float* v);
-    void load(const Matrix4& v);
     void load(const SkMatrix& v);
 
     void loadInverse(const Matrix4& v);
@@ -139,7 +138,7 @@
     void multiply(const Matrix4& v) {
         Matrix4 u;
         u.loadMultiply(*this, v);
-        load(u);
+        *this = u;
     }
 
     void multiply(float v);