fix getValue in AST Node

aidge/_Core/include/nodeTester/ConditionalInterpreter.hpp

@@ -233,7 +233,6 @@ class ConditionalInterpreter
     /**
      * @brief Constructor 
      * @param ConditionalExpressions The expression of the test to be performed on the nodes
-     * 
      */
 
     ConditionalInterpreter(const std::string ConditionalExpressions);

aidge/_Core/include/nodeTester/ConditionalParser.hpp

@@ -35,7 +35,6 @@ class AstConditionalNode: public std::enable_shared_from_this<AstConditionalNode
      * @return the type
      */
     ConditionalTokenTypes getType() const;
-        std::string getValue() const;
     /**
      * @brief get the child of the node
      * @return child