lua,latex - remove unnecessary captionsetup call

src/resources/filters/customnodes/floatreftarget.lua

@@ -342,26 +342,6 @@ end, function(float)
   end
   latex_caption = latex_caption or pandoc.Inlines({})
 
-  if #latex_caption == 0 then
-    local caption_setup = quarto.LatexInlineCommand({
-      name = "captionsetup",
-      arg = "labelsep=none"
-    })
-    local pt = pandoc.utils.type(float.content)
-    if pt == "Block" then
-      if float.content.content == nil then
-        -- it's a block that doesn't support inner content
-        -- attempt a best-effort fix by replacing it with a wrapping div
-        float.content = pandoc.Div({float.content})
-      end
-      float.content.content:insert(1, caption_setup)
-    elseif pt == "Blocks" then
-      float.content:insert(1, caption_setup)
-    else
-      internal_error()
-    end
-  end
-
   local label_cmd = quarto.LatexInlineCommand({
     name = "label",
     arg = pandoc.RawInline("latex", float.identifier)