Use metadata and filter to skip author summary for plos one journal

[cderv]

As per guidelines

plos/style-guide/plos_latex_template.tex

Lines 235 to 239 in 1f79ef6

	% Please keep the Author Summary between 150 and 200 words
	% Use first person. PLOS ONE authors please skip this step.
	% Author Summary not valid for PLOS ONE submissions.
	\section*{Author summary}
	Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur eget porta erat. Morbi consectetur est vel gravida pretium. Suspendisse ut dui eu ante cursus gravida non sed sem. Nullam sapien tellus, commodo id velit id, eleifend volutpat quam. Phasellus mauris velit, dapibus finibus elementum vel, pulvinar non tellus. Nunc pellentesque pretium diam, quis maximus dolor faucibus id. Nunc convallis sodales ante, ut ullamcorper est egestas vitae. Nam sit amet enim ultrices, ultrices elit pulvinar, volutpat risus.