remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floats

bench/MorphologyBench.cpp

Index: bench/MorphologyBench.cpp
diff --git a/bench/MorphologyBench.cpp b/bench/MorphologyBench.cpp
index 63171c2c12c435bdf973d9f40b993ce4530e8f09..97f3b88284461bc9482e95b8d4c2d9a978a40e70 100644
--- a/bench/MorphologyBench.cpp
+++ b/bench/MorphologyBench.cpp
@@ -84,9 +84,6 @@ private:
     typedef SkBenchmark INHERITED;
 };
 
-// Fixed point can be 100x slower than float on these tests, causing
-// bench to timeout.
-#ifndef SK_SCALAR_IS_FIXED
 DEF_BENCH( return new MorphologyBench(SMALL, kErode_MT); )
 DEF_BENCH( return new MorphologyBench(SMALL, kDilate_MT); )
 
@@ -97,4 +94,3 @@ DEF_BENCH( return new MorphologyBench(REAL, kErode_MT); )
 DEF_BENCH( return new MorphologyBench(REAL, kDilate_MT); )
 
 DEF_BENCH( return new MorphologyBench(0, kErode_MT); )
-#endif