Remove unused return codes.

evmjit/include/evmjit/JIT-c.h

@@ -39,9 +39,6 @@ typedef enum evmjit_return_code
 
 	// Standard error codes
 	OutOfGas           = -1,
-	StackUnderflow     = -2,
-	BadInstruction     = -4,
-	Rejected           = -5, ///< Input data (code, gas, block info, etc.) does not meet JIT requirement and execution request has been rejected
 
 	// Internal error codes
 	LLVMError           = -101,

evmjit/include/evmjit/JIT.h

@@ -101,9 +101,6 @@ enum class ReturnCode
 
 	// Standard error codes
 	OutOfGas           = -1,
-	StackUnderflow     = -2,
-	BadInstruction     = -4,
-	Rejected           = -5, ///< Input data (code, gas, block info, etc.) does not meet JIT requirement and execution request has been rejected
 
 	// Internal error codes
 	LLVMError          = -101,

evmjit/libevmjit-cpp/JitVM.cpp

@@ -62,10 +62,6 @@ bytesConstRef JitVM::execImpl(u256& io_gas, ExtVMFace& _ext, OnOpFunc const& _on
 
 	case evmjit::ReturnCode::OutOfGas:
 		BOOST_THROW_EXCEPTION(OutOfGas());
-	case evmjit::ReturnCode::StackUnderflow: // FIXME: Remove support for detail errors
-		BOOST_THROW_EXCEPTION(StackUnderflow());
-	case evmjit::ReturnCode::BadInstruction:
-		BOOST_THROW_EXCEPTION(BadInstruction());
 	case evmjit::ReturnCode::LinkerWorkaround:	// never happens
 		env_sload();					// but forces linker to include env_* JIT callback functions
 		break;