[arm] Remove embedded constant pool support.

src/register-configuration.cc

Index: src/register-configuration.cc
diff --git a/src/register-configuration.cc b/src/register-configuration.cc
index 28d0ab2cc50c0e33ed795aece28b4b8fa471118c..d4b90ca9265e4e86900d502d0b51ccddc608a3d8 100644
--- a/src/register-configuration.cc
+++ b/src/register-configuration.cc
@@ -77,9 +77,7 @@ class ArchDefaultRegisterConfiguration : public RegisterConfiguration {
             kMaxAllocatableGeneralRegisterCount,
             kMaxAllocatableDoubleRegisterCount,
 #elif V8_TARGET_ARCH_ARM
-            FLAG_enable_embedded_constant_pool
-                ? (kMaxAllocatableGeneralRegisterCount - 1)
-                : kMaxAllocatableGeneralRegisterCount,
+            kMaxAllocatableGeneralRegisterCount,
             CpuFeatures::IsSupported(VFP32DREGS)
                 ? kMaxAllocatableDoubleRegisterCount
                 : (ALLOCATABLE_NO_VFP32_DOUBLE_REGISTERS(REGISTER_COUNT) 0),