remove latin-1 flag

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

Index: src/mips/regexp-macro-assembler-mips.cc
diff --git a/src/mips/regexp-macro-assembler-mips.cc b/src/mips/regexp-macro-assembler-mips.cc
index ce2d635d634f6e6d23b0a18f1ed72a7e029a5be7..036cbb13e4ffad52c284744f3cd46393e48d8c7c 100644
--- a/src/mips/regexp-macro-assembler-mips.cc
+++ b/src/mips/regexp-macro-assembler-mips.cc
@@ -341,9 +341,6 @@ void RegExpMacroAssemblerMIPS::CheckNotBackReferenceIgnoreCase(
     __ Or(t0, t0, Operand(0x20));  // Also convert input character.
     __ Branch(&fail, ne, t0, Operand(a3));
     __ Subu(a3, a3, Operand('a'));
-#ifndef ENABLE_LATIN_1
-    __ Branch(&fail, hi, a3, Operand('z' - 'a'));  // Is a3 a lowercase letter?
-#else
     __ Branch(&loop_check, ls, a3, Operand('z' - 'a'));
     // Latin-1: Check for values in range [224,254] but not 247.
     __ Subu(a3, a3, Operand(224 - 'a'));
@@ -351,7 +348,6 @@ void RegExpMacroAssemblerMIPS::CheckNotBackReferenceIgnoreCase(
     __ Branch(&fail, hi, a3, Operand(254 - 224));
     // Check for 247.
     __ Branch(&fail, eq, a3, Operand(247 - 224));
-#endif
 
     __ bind(&loop_check);
     __ Branch(&loop, lt, a0, Operand(a1));