[DCA] prevent invalid strategy config

Author: GuillaumeDSM

Trading/Mode/dca_trading_mode/config/DCATradingMode.json

@@ -3,8 +3,7 @@
         "SimpleStrategyEvaluator"
     ],
     "required_strategies": [
-        "SimpleStrategyEvaluator",
-        "TechnicalAnalysisStrategyEvaluator"
+        "SimpleStrategyEvaluator"
     ],
     "buy_order_amount": "50q",
     "exit_limit_orders_price_percent": 5,

profiles/simple_dca/specific_config/DCATradingMode.json

@@ -1,8 +1,9 @@
 {
     "buy_order_amount": "5%t",
+    "default_config": [],
+    "required_strategies": [],
     "cancel_open_orders_at_each_entry": false,
     "minutes_before_next_buy": 10080,
-    "required_strategies": [],
     "trigger_mode": "Time based",
     "use_market_entry_orders": true,
     "use_secondary_entry_orders": false,

profiles/smart_dca/specific_config/DCATradingMode.json

@@ -3,13 +3,12 @@
     "default_config": [
         "SimpleStrategyEvaluator"
     ],
+    "required_strategies": [
+        "SimpleStrategyEvaluator"
+	],
     "entry_limit_orders_price_percent": 0.2,
     "exit_limit_orders_price_percent": 0.35,
     "minutes_before_next_buy": 10080,
-    "required_strategies": [
-        "SimpleStrategyEvaluator",
-        "TechnicalAnalysisStrategyEvaluator"
-    ],
     "secondary_entry_orders_amount": "5%t",
     "secondary_entry_orders_count": 2,
     "secondary_entry_orders_price_percent": 0.5,