[SVG] Don't scale for PNG output in lasemrender.
[SVG] Don't scale for PNG output in lasemrender.

This is now handled in the corrsponding view.
It's still not correctly handled in the Mathml case.

gjtorikian/lasem,gjtorikian/lasem,gjtorikian/lasem,wavewave/lasem,janmarthedal/mathml2svg,janmarthedal/mathml2svg,gjtorikian/lasem,wavewave/lasem,janmarthedal/mathml2svg,janmarthedal/mathml2svg,wavewave/lasem,wavewave/lasem