disabling nonlinear activation of the last encoder layer

[simpleoier]

No description provided.

[simpleoier]

Relating to #1304

[sw005320]

Thanks.
Can you also update RESULTS.md in some recipes that you tried?

[codecov]

Codecov Report

Merging #1323 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1323      +/-   ##
==========================================
+ Coverage   78.38%   78.38%   +<.01%     
==========================================
  Files         103      103              
  Lines       10067    10069       +2     
==========================================
+ Hits         7891     7893       +2     
  Misses       2176     2176

Impacted Files	Coverage Δ
espnet/nets/pytorch_backend/rnn/encoders.py	97.81% <100%> (+0.03%)	⬆️

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[simpleoier]

I didn't update the results of an4, because my numbers are worse than the ones in RESULT.

[sw005320]

It's OK. Thanks a lot!