Prints turn types and modifiers as strings

include/engine/api/json_factory.hpp

@@ -33,22 +33,8 @@ namespace json
 namespace detail
 {
 
-std::string instructionTypeToString(extractor::guidance::TurnType::Enum type);
-std::string instructionModifierToString(extractor::guidance::DirectionModifier::Enum modifier);
-
-/**
- * Returns a string representing all instruction types (including internal types that
- * are normally not exposed in route responses)
- *
- * @param type the TurnType value to convert into a string
- * @return a string representing the turn type (e.g. `turn` or `continue`)
- */
-std::string internalInstructionTypeToString(extractor::guidance::TurnType::Enum type);
-
 util::json::Array coordinateToLonLat(const util::Coordinate coordinate);
 
-std::string modeToString(const extractor::TravelMode mode);
-
 /**
  * Ensures that a bearing value is a whole number, and clamped to the range 0-359
  */

include/engine/guidance/route_step.hpp

@@ -123,7 +123,7 @@ inline void RouteStep::Invalidate()
     duration = 0;
     distance = 0;
     weight = 0;
-    mode = TRAVEL_MODE_INACCESSIBLE;
+    mode = extractor::TRAVEL_MODE_INACCESSIBLE;
     maneuver = getInvalidStepManeuver();
     geometry_begin = 0;
     geometry_end = 0;