remove latin-1 flag

src/ia32/regexp-macro-assembler-ia32.cc

Index: src/ia32/regexp-macro-assembler-ia32.cc
diff --git a/src/ia32/regexp-macro-assembler-ia32.cc b/src/ia32/regexp-macro-assembler-ia32.cc
index bb0e0adb7ec4fdb1c094f6828fae879adaf0fdb3..d8f2e8f0e777f1989b41e6cb3780b236b313beb6 100644
--- a/src/ia32/regexp-macro-assembler-ia32.cc
+++ b/src/ia32/regexp-macro-assembler-ia32.cc
@@ -344,9 +344,6 @@ void RegExpMacroAssemblerIA32::CheckNotBackReferenceIgnoreCase(
     __ or_(eax, 0x20);  // Convert match character to lower-case.
     __ lea(ecx, Operand(eax, -'a'));
     __ cmp(ecx, static_cast<int32_t>('z' - 'a'));  // Is eax a lowercase letter?
-#ifndef ENABLE_LATIN_1
-    __ j(above, &fail);  // Weren't letters anyway.
-#else
     Label convert_capture;
     __ j(below_equal, &convert_capture);  // In range 'a'-'z'.
     // Latin-1: Check for values in range [224,254] but not 247.
@@ -356,7 +353,6 @@ void RegExpMacroAssemblerIA32::CheckNotBackReferenceIgnoreCase(
     __ cmp(ecx, Immediate(247 - 224));  // Check for 247.
     __ j(equal, &fail);
     __ bind(&convert_capture);
-#endif
     // Also convert capture character.
     __ movzx_b(ecx, Operand(edx, 0));
     __ or_(ecx, 0x20);