removed redundant commands from triangle cmake file
removed redundant commands from triangle cmake file

--HG--
branch : syclop-triangulate

florianhauer/ompl,jvgomez/ompl,sonny-tarbouriech/ompl,sonny-tarbouriech/ompl,jvgomez/ompl,utiasASRL/batch-informed-trees,utiasASRL/batch-informed-trees,sonny-tarbouriech/ompl,florianhauer/ompl,utiasASRL/batch-informed-trees,davetcoleman/ompl,davetcoleman/ompl,sonny-tarbouriech/ompl,florianhauer/ompl,utiasASRL/batch-informed-trees,sonny-tarbouriech/ompl,davetcoleman/ompl,davetcoleman/ompl,utiasASRL/batch-informed-trees,davetcoleman/ompl,jvgomez/ompl,florianhauer/ompl,jvgomez/ompl,sonny-tarbouriech/ompl,florianhauer/ompl,jvgomez/ompl,davetcoleman/ompl,florianhauer/ompl,jvgomez/ompl,utiasASRL/batch-informed-trees