Remove the fract(float) implementation.

Change-Id: I09df57618748eb33c7a233f6f6c59e21d0072107
diff --git a/lib/Renderscript/runtime/rs_cl.c b/lib/Renderscript/runtime/rs_cl.c
index 32b25d5..6ead6d9 100644
--- a/lib/Renderscript/runtime/rs_cl.c
+++ b/lib/Renderscript/runtime/rs_cl.c
@@ -423,12 +423,6 @@
 extern float __attribute__((overloadable)) fmod(float, float);
 FN_FUNC_FN_FN(fmod)
 
-extern float __attribute__((overloadable)) fract(float v) {
-    int i = (int)floor(v);
-    return fmin(v - i, 0x1.fffffep-1f);
-}
-FN_FUNC_FN(fract)
-
 extern float __attribute__((overloadable)) fract(float v, float *iptr) {
     int i = (int)floor(v);
     if (iptr) {