Meta: Do not link QtSvg in the GN build

We haven't used QtSvg in some time, we now use TVG files for icons.

Meta/gn/secondary/Ladybird/BUILD.gn

@@ -38,7 +38,6 @@ link_qt("ladybird_qt_components") {
     "Gui",
     "Widgets",
     "Network",
-    "Svg",
   ]
 }