Revert of Collect type feedback on result of Math.[round|ceil|floor]

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 038363c7c0ff8c996483948c03521fc370964acb..1464074b894640d8d19e9104b96849e9526581f8 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -109,7 +109,6 @@
 struct DoubleConstant BASE_EMBEDDED {
 double min_int;
 double one_half;
-double minus_one;
 double minus_one_half;
 double negative_infinity;
 double the_hole_nan;
@@ -951,7 +950,6 @@
 void ExternalReference::SetUp() {
   double_constants.min_int = kMinInt;
   double_constants.one_half = 0.5;
-  double_constants.minus_one = -1;
   double_constants.minus_one_half = -0.5;
   double_constants.the_hole_nan = bit_cast<double>(kHoleNanInt64);
   double_constants.negative_infinity = -V8_INFINITY;
@@ -1273,12 +1271,6 @@
 ExternalReference ExternalReference::address_of_minus_one_half() {
   return ExternalReference(
       reinterpret_cast<void*>(&double_constants.minus_one_half));
-}
-
-
-ExternalReference ExternalReference::address_of_minus_one() {
-  return ExternalReference(
-      reinterpret_cast<void*>(&double_constants.minus_one));
 }