Re-enable OpenGL thread by default
Re-enable OpenGL thread by default

Nouveau seems to be fixed for me these days and not
have the performance problem with rendering from a separate
thread anymore.  And that was the only reason that it
wasn't enabled by default.

Lasercake/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,idupree/Lasercake