refactor: removed newsletter routes

server.py

@@ -219,34 +219,6 @@ def unsubscribe():
         app.logger.error(f"Error in unsubscribe endpoint: {e}")
         return "Internal server error", 500
 
-@app.route("/newsletters", methods=["GET"])
-def newsletters():
-    """
-    List all newsletters (newest first) with caching for better performance.
-    """
-    try:
-        newsletters = get_newsletters_cached()
-        return render_template("newsletters.html", newsletters=newsletters)
-    except Exception as e:
-        app.logger.error(f"Error in newsletters endpoint: {e}")
-        return "Internal server error", 500
-
-@app.route("/newsletter/<int:newsletter_id>", methods=["GET"])
-def newsletter_detail(newsletter_id):
-    """
-    Show a single newsletter by its ID with caching.
-    """
-    try:
-        newsletter = get_newsletter_by_id_cached(newsletter_id)
-        
-        if not newsletter:
-            return "Newsletter not found.", 404
-
-        return render_template("newsletter_detail.html", newsletter=newsletter)
-    except Exception as e:
-        app.logger.error(f"Error in newsletter_detail endpoint: {e}")
-        return "Internal server error", 500
-
 @app.route("/admin/clear-cache", methods=["POST"])
 def clear_cache():
     """Admin endpoint to clear newsletter cache"""