[stubs] Improve code generation for ToBoolean.

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index e42fc1c48c34cf52bec7e2916efc59d6378de18d..63d101782729d371cfe1f16e43d2a2c9aec20dab 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -143,16 +143,6 @@ class Interpreter {
   compiler::Node* BuildLoadKeyedProperty(Callable ic,
                                          InterpreterAssembler* assembler);
 
-  // Generates code to perform logical-not on boolean |value| and returns the
-  // result.
-  compiler::Node* BuildLogicalNot(compiler::Node* value,
-                                  InterpreterAssembler* assembler);
-
-  // Generates code to convert |value| to a boolean and returns the
-  // result.
-  compiler::Node* BuildToBoolean(compiler::Node* value,
-                                 InterpreterAssembler* assembler);
-
   uintptr_t GetDispatchCounter(Bytecode from, Bytecode to) const;
 
   // Get dispatch table index of bytecode.