Remove redundant cabal option on install.
Remove redundant cabal option on install.

alphalambda/codeworld,nomeata/codeworld,xwysp/codeworld,stefan-j/codeworld,parvmor/codeworld,venkat24/codeworld,alphalambda/codeworld,Ye-Yong-Chi/codeworld,nomeata/codeworld,venkat24/codeworld,venkat24/codeworld,google/codeworld,pranjaltale16/codeworld,pranjaltale16/codeworld,google/codeworld,pranjaltale16/codeworld,three/codeworld,nomeata/codeworld,tgdavies/codeworld,three/codeworld,xwysp/codeworld,d191562687/codeworld,tgdavies/codeworld,parvmor/codeworld,d191562687/codeworld,Ye-Yong-Chi/codeworld,xwysp/codeworld,d191562687/codeworld,google/codeworld,Ye-Yong-Chi/codeworld,three/codeworld,stefan-j/codeworld,parvmor/codeworld,tgdavies/codeworld,alphalambda/codeworld,stefan-j/codeworld