[arm] Remove unused jump_elimination_allowed parameter to Assembler::branch_offset().

src/arm/assembler-arm.cc

Index: src/arm/assembler-arm.cc
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index 74c682a47f60799b4fecc7cbf56a7f99bddb0dce..de49bb185f106aefe58a0db91b4fb835ecf75b92 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -1308,7 +1308,7 @@ void Assembler::addrmod5(Instr instr, CRegister crd, const MemOperand& x) {
 }
 
 
-int Assembler::branch_offset(Label* L, bool jump_elimination_allowed) {
+int Assembler::branch_offset(Label* L) {
   int target_pos;
   if (L->is_bound()) {
     target_pos = L->pos();