Minor code cleanup

src/modules/audio/Audio.h

@@ -51,7 +51,7 @@ public:
 	 */
 	enum DistanceModel
 	{
-		DISTANCE_NONE = 1,
+		DISTANCE_NONE,
 		DISTANCE_INVERSE,
 		DISTANCE_INVERSE_CLAMPED,
 		DISTANCE_LINEAR,

src/modules/audio/Source.h

@@ -36,14 +36,14 @@ public:
 
 	enum Type
 	{
-		TYPE_STATIC = 1,
+		TYPE_STATIC,
 		TYPE_STREAM,
 		TYPE_MAX_ENUM
 	}; // Type
 
 	enum Unit
 	{
-		UNIT_SECONDS = 1,
+		UNIT_SECONDS,
 		UNIT_SAMPLES,
 		UNIT_MAX_ENUM
 	};