Remove custom win64 modulo code

src/arm64/simulator-arm64.cc

Index: src/arm64/simulator-arm64.cc
diff --git a/src/arm64/simulator-arm64.cc b/src/arm64/simulator-arm64.cc
index c4d444fe2307225662e302c34172203d6d105b09..8f72669f499abad6a44177a9c408c22d99c78f56 100644
--- a/src/arm64/simulator-arm64.cc
+++ b/src/arm64/simulator-arm64.cc
@@ -2759,7 +2759,7 @@ double Simulator::FPRoundInt(double value, FPRounding round_mode) {
       // If the error is greater than 0.5, or is equal to 0.5 and the integer
       // result is odd, round up.
       } else if ((error > 0.5) ||
-          ((error == 0.5) && (fmod(int_result, 2) != 0))) {
+                 ((error == 0.5) && (modulo(int_result, 2) != 0))) {
         int_result++;
       }
       break;