Move conv_tasnet_base doc out of prototype (#2675)

Summary: Pull Request resolved: https://github.com/pytorch/audio/pull/2675

Reviewed By: carolineechen

Differential Revision: D39515996

Pulled By: nateanl

fbshipit-source-id: 5824375f6a758af21b6ad6c635dd06081663644f

docs/source/models.rst

@@ -20,10 +20,23 @@ Conformer
 ConvTasNet
 ~~~~~~~~~~
 
+Model
+-----
+
+ConvTasNet
+^^^^^^^^^^
+
 .. autoclass:: ConvTasNet
 
   .. automethod:: forward
 
+Factory Functions
+-----------------
+
+conv_tasnet_base
+^^^^^^^^^^^^^^^^
+
+.. autofunction:: conv_tasnet_base
 
 DeepSpeech
 ~~~~~~~~~~

docs/source/prototype.models.rst

@@ -14,11 +14,6 @@ conformer_rnnt_base
 
 .. autofunction:: conformer_rnnt_base
 
-conv_tasnet_base
-~~~~~~~~~~~~~~~~
-
-.. autofunction:: conv_tasnet_base
-
 ConvEmformer
 ~~~~~~~~~~~~