Revert "added GLECL for ES 2.0 function"
Revert "added GLECL for ES 2.0 function"

This reverts commit 35cc1c63f38b0e200cbba1872f6857ef28c6b55f.

ARSekkat/gpac,ARSekkat/gpac,nguyen-viet-thanh-trung/gpac,nguyen-viet-thanh-trung/gpac,aymanelyaagoubi/gpac,aymanelyaagoubi/gpac,vladimir-kazakov/gpac,nguyen-viet-thanh-trung/gpac,rauf/gpac,rbouqueau/gpac_brew_travis,porcelijn/gpac,rbouqueau/gpac_brew_travis,rbouqueau/gpac_brew_travis,RodolpheFouquet/gpac,vladimir-kazakov/gpac,porcelijn/gpac,gpac/gpac,RodolpheFouquet/gpac,vladimir-kazakov/gpac,RodolpheFouquet/gpac,gpac/gpac,vladimir-kazakov/gpac,emmanouil/gpac,nguyen-viet-thanh-trung/gpac,gpac/gpac,gpac/gpac,nguyen-viet-thanh-trung/gpac,Bevara/Access-open,RodolpheFouquet/gpac,gpac/gpac,rbouqueau/gpac_brew_travis,rbouqueau/gpac,ARSekkat/gpac,Bevara/Access-open,vladimir-kazakov/gpac,porcelijn/gpac,aymanelyaagoubi/gpac,emmanouil/gpac,porcelijn/gpac,ARSekkat/gpac,rbouqueau/gpac,rbouqueau/gpac_brew_travis,RodolpheFouquet/gpac,ARSekkat/gpac,emmanouil/gpac,rbouqueau/gpac,emmanouil/gpac,rbouqueau/gpac,rbouqueau/gpac,porcelijn/gpac,aymanelyaagoubi/gpac,rauf/gpac,emmanouil/gpac,vladimir-kazakov/gpac,emmanouil/gpac,rauf/gpac,ARSekkat/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac,porcelijn/gpac,rauf/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac,gpac/gpac,aymanelyaagoubi/gpac,rauf/gpac,Bevara/Access-open,gpac/gpac,RodolpheFouquet/gpac,rbouqueau/gpac,rauf/gpac,Bevara/Access-open,Bevara/Access-open,rbouqueau/gpac_brew_travis,Bevara/Access-open,gpac/gpac