delete unuseful lign

dan/decoder.py

@@ -367,7 +367,6 @@ class GlobalHTADecoder(Module):
 
         vocab_size = params["vocab_size"] + 1
         self.end_conv = Conv1d(self.enc_dim, vocab_size, kernel_size=1)
-        self.temperature = params["temperature"]
 
     def forward(
         self,