webgl: Remove unnecessary Option from texture API.
webgl: Remove unnecessary Option from texture API.

KiChjang/servo,sadmansk/servo,nnethercote/servo,larsbergstrom/servo,nnethercote/servo,sadmansk/servo,paulrouget/servo,DominoTree/servo,nnethercote/servo,DominoTree/servo,splav/servo,emilio/servo,paulrouget/servo,jimberlage/servo,splav/servo,pyfisch/servo,peterjoel/servo,saneyuki/servo,szeged/servo,nnethercote/servo,DominoTree/servo,DominoTree/servo,peterjoel/servo,emilio/servo,jimberlage/servo,notriddle/servo,jimberlage/servo,notriddle/servo,larsbergstrom/servo,jimberlage/servo,notriddle/servo,splav/servo,pyfisch/servo,KiChjang/servo,SimonSapin/servo,pyfisch/servo,jimberlage/servo,paulrouget/servo,pyfisch/servo,DominoTree/servo,szeged/servo,saneyuki/servo,DominoTree/servo,saneyuki/servo,emilio/servo,nnethercote/servo,splav/servo,sadmansk/servo,DominoTree/servo,nnethercote/servo,pyfisch/servo,saneyuki/servo,splav/servo,larsbergstrom/servo,SimonSapin/servo,emilio/servo,paulrouget/servo,larsbergstrom/servo,paulrouget/servo,jimberlage/servo,peterjoel/servo,peterjoel/servo,pyfisch/servo,pyfisch/servo,larsbergstrom/servo,emilio/servo,szeged/servo,notriddle/servo,jimberlage/servo,KiChjang/servo,peterjoel/servo,paulrouget/servo,notriddle/servo,larsbergstrom/servo,paulrouget/servo,peterjoel/servo,emilio/servo,SimonSapin/servo,szeged/servo,notriddle/servo,saneyuki/servo,nnethercote/servo,peterjoel/servo,KiChjang/servo,sadmansk/servo,saneyuki/servo,szeged/servo,emilio/servo,jimberlage/servo,SimonSapin/servo,larsbergstrom/servo,saneyuki/servo,larsbergstrom/servo,KiChjang/servo,SimonSapin/servo,KiChjang/servo,szeged/servo,peterjoel/servo,emilio/servo,splav/servo,SimonSapin/servo,pyfisch/servo,larsbergstrom/servo,DominoTree/servo,SimonSapin/servo,splav/servo,nnethercote/servo,peterjoel/servo,jimberlage/servo,larsbergstrom/servo,emilio/servo,notriddle/servo,sadmansk/servo,KiChjang/servo,sadmansk/servo,SimonSapin/servo,nnethercote/servo,sadmansk/servo,szeged/servo,paulrouget/servo,saneyuki/servo,peterjoel/servo,paulrouget/servo,DominoTree/servo,notriddle/servo,paulrouget/servo,saneyuki/servo,sadmansk/servo,KiChjang/servo,splav/servo,DominoTree/servo,saneyuki/servo,szeged/servo,pyfisch/servo,notriddle/servo,szeged/servo,splav/servo,splav/servo,szeged/servo,KiChjang/servo,pyfisch/servo,notriddle/servo,nnethercote/servo,emilio/servo,KiChjang/servo