snippets: adapt the running frontmatter

- Adapts the frontmatter for running post, as I don't follow any
  program right now.

Co-Authored-by: iGor milhit <igor@milhit.ch>

my_snippets/markdown.lua

@@ -142,18 +142,12 @@ return {
     fmt(
       [[
         ---
-        title: {5}
-        date: {6}
-        id: {7}
-        tags: [préparation marathon, campus, plan 2, {1}]
-        plan:
-          - coaching: "campus"
-          - type: "marathon"
-          - durée: "24 semaines"
+        title: {3}
+        date: {4}
+        id: {5}
+        tags: [{1}]
         séance:
           - type: "{2}"
-          - semaine: {3} 
-          - séance: {4}
         données:
           - privées: ""
           - publiques: ""
@@ -163,8 +157,8 @@ return {
       {
         i(1, "tags"),
         i(2, "workout type"),
-        i(3, "week number of the plan"),
-        i(4, "workout number of the week"),
+        -- i(3, "week number of the plan"),
+        -- i(4, "workout number of the week"),
         f(get_date, {}),
         f(get_datetime, {}),
         f(get_id, {})