Improve result message from lstmeval
Improve result message from lstmeval

Old message:

    At iteration 0, stage 0, BCER eval=2.553356, BWER eval=5.586173

New message:

    BCER eval=2.553356, BWER eval=5.586173

Signed-off-by: Stefan Weil <8d4c780fcfdc41841e5070f4c43da8958ba6aec0@weilnetz.de>

tesseract-ocr/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,stweil/tesseract,stweil/tesseract,stweil/tesseract,stweil/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,stweil/tesseract