Remove rejected keyword.
Remove rejected keyword.

Signed-off-by: Etienne M. Gagnon <bf06ec0eb40152cd863534753d026b021022c851@j-meg.com>

SableCC/sablecc,Herve-M/sablecc,Herve-M/sablecc,SableCC/sablecc,Herve-M/sablecc,SableCC/sablecc,Herve-M/sablecc,Herve-M/sablecc,SableCC/sablecc,SableCC/sablecc