template: remove some unnecessary newlines

template/quitesimple/show_whatlinkshere

@@ -3,4 +3,4 @@
 <h2>Links to: {qswiki:var:pagename}</h2>
 {qswiki:var:pagelist}
 </main>
-{qswiki:include:general_footer}
+{qswiki:include:general_footer}