Don't force timeframe in config in config generator

freqtrade/commands/build_config_commands.py

@@ -83,11 +83,19 @@ def ask_user_config() -> Dict[str, Any]:
             if val == UNLIMITED_STAKE_AMOUNT
             else val
         },
+        {
+            "type": "select",
+            "name": "timeframe_in_config",
+            "message": "Tim",
+            "choices": ["Have the strategy define timeframe.", "Override in configuration."]
+        },
         {
             "type": "text",
             "name": "timeframe",
             "message": "Please insert your desired timeframe (e.g. 5m):",
             "default": "5m",
+            "when": lambda x: x["timeframe_in_config"] == 'Override in configuration.'
+
         },
         {
             "type": "text",

freqtrade/templates/base_config.json.j2

@@ -10,8 +10,7 @@
     "stake_currency": "{{ stake_currency }}",
     "stake_amount": {{ stake_amount }},
     "tradable_balance_ratio": 0.99,
-    "fiat_display_currency": "{{ fiat_display_currency }}",
-    "timeframe": "{{ timeframe }}",
+    "fiat_display_currency": "{{ fiat_display_currency }}",{{ ('\n    "timeframe": "' + timeframe + '",') if timeframe else '' }}
     "dry_run": {{ dry_run | lower }},
     "cancel_open_orders_on_exit": false,
     "unfilledtimeout": {