Shorten the data augmentation in YAML + cleaning (code from Samsung AI Cambridge) (#2399)

* shorter augmentations in yaml

* layout to 80 char

* listed label replication

* listed label replication

* listed label replication

* Refact CTC

* Refact transducer

* Refact seq2seq

* call replicate label instead of duplication

* refactor aishell

* refactor aishell

* CommonLanuageÃ

* fix error + CV CTC

* Giga OOF

* Giga OOF

* Giga OOF

* Giga OOF

* Giga OOF

* Giga OOF

* Giga OOF

* Giga OOF

* Giga OOF

* Finishing OOF

* final touch LULZ

* fix tests

* Tests???Ã

* fix augment in some recipes

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Co-authored-by: Titouan Parcollet/Embedded AI /SRUK/Engineer/Samsung Electronics <t.parcollet@sruk-ccn4.eu.corp.samsungelectronics.net>
Co-authored-by: Mirco Ravanelli <mirco.ravanelli@gmail.com>