[Interpreter] Remove InterpreterExitTrampoline and replace with returning to the entry trampoline.

src/interpreter/bytecodes.cc

Index: src/interpreter/bytecodes.cc
diff --git a/src/interpreter/bytecodes.cc b/src/interpreter/bytecodes.cc
index 6604191c5953cccaf137a938721692f0a9da596d..61d449796e3a24e2143526c36f5ae18e718e403d 100644
--- a/src/interpreter/bytecodes.cc
+++ b/src/interpreter/bytecodes.cc
@@ -150,6 +150,11 @@ int Bytecodes::Size(Bytecode bytecode, OperandScale operand_scale) {
 
 
 // static
+size_t Bytecodes::ReturnCount(Bytecode bytecode) {
+  return bytecode == Bytecode::kReturn ? 1 : 0;
+}
+
+// static
 int Bytecodes::NumberOfOperands(Bytecode bytecode) {
   DCHECK(bytecode <= Bytecode::kLast);
   switch (bytecode) {