Remove SkOpts_sse2.cpp.

src/opts/SkOpts_ssse3.cpp

Index: src/opts/SkOpts_ssse3.cpp
diff --git a/src/opts/SkOpts_ssse3.cpp b/src/opts/SkOpts_ssse3.cpp
index de3296654febcaf5c37a876b92c2ccd023e498dd..7e056a0787b7f0bf87eb386d8e6b5264d21b3450 100644
--- a/src/opts/SkOpts_ssse3.cpp
+++ b/src/opts/SkOpts_ssse3.cpp
@@ -6,9 +6,13 @@
  */
 
 #include "SkOpts.h"
+#define SK_OPTS_NS ssse3
+#include "SkBlitMask_opts.h"
+#include "SkXfermode_opts.h"
 
 namespace SkOpts {
     void Init_ssse3() {
-
+        create_xfermode = SkCreate4pxXfermode;
+        blit_mask_d32_a8 = ssse3::blit_mask_d32_a8;
     }
 }