fix(lint): luacheck cleanup
fix(lint): luacheck cleanup

GabrielNicolasAvellaneda/luvit-upstream,kaustavha/luvit,bsn069/luvit,DBarney/luvit,GabrielNicolasAvellaneda/luvit-upstream,rjeli/luvit,luvit/luvit,rjeli/luvit,kaustavha/luvit,bsn069/luvit,DBarney/luvit,GabrielNicolasAvellaneda/luvit-upstream,kaustavha/luvit,luvit/luvit,rjeli/luvit,zhaozg/luvit,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit,zhaozg/luvit,rjeli/luvit,bsn069/luvit,DBarney/luvit