Revert author workaround

It's not necessary, see mwouts/jupytext#469.

scripts/src2content.sh

@@ -18,11 +18,7 @@ cd content
 find -iname \*.md -not -name LICENSE.md | while read in_path; do
   out_path=$( echo "$in_path" | sed 's/.md$/.ipynb/' )
   if [ ! -f "$out_path" ] || [ $( mtime "$in_path" ) -gt $( mtime "$out_path" ) ]; then
-    if [ "$( basename "$in_path" )" == rest.md ]; then
-      jupytext --execute "$in_path" --output "$out_path" --update-metadata '{"author": "Rudolf Rosa"}'
-    else
-      jupytext --execute "$in_path" --output "$out_path"
-    fi
+    jupytext --execute "$in_path" --output "$out_path"
   fi
   rm -f "$in_path"
 done

src/rest.md

@@ -1,6 +1,6 @@
 ---
-author: Rudolf Rosa
 jupyter:
+  author: Rudolf Rosa
   jupytext:
     text_representation:
       extension: .md