Remove obsolete V8_INFINITY macro.

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index 3a83f2cbee1d9a091d8c4cb6895ed0ab44c45485..8c27b01b545bf35c4778571b07fd9a5efaeb4680 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -12,20 +12,6 @@
 #include "src/base/logging.h"
 #include "src/base/macros.h"
 
-// Unfortunately, the INFINITY macro cannot be used with the '-pedantic'
-// warning flag and certain versions of GCC due to a bug:
-// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11931
-// For now, we use the more involved template-based version from <limits>, but
-// only when compiling with GCC versions affected by the bug (2.96.x - 4.0.x)
-#if V8_CC_GNU && V8_GNUC_PREREQ(2, 96, 0) && !V8_GNUC_PREREQ(4, 1, 0)
-# include <limits>  // NOLINT
-# define V8_INFINITY std::numeric_limits<double>::infinity()
-#elif V8_LIBC_MSVCRT
-# define V8_INFINITY HUGE_VAL
-#else
-# define V8_INFINITY INFINITY
-#endif
-
 #if V8_TARGET_ARCH_IA32 || (V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_32_BIT) || \
     V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_MIPS ||     \
     V8_TARGET_ARCH_MIPS64