Removed the variable limit setting since it's never used and instead just have WALL_PATH_LIMIT.

pathing.hpp

@@ -4,14 +4,12 @@
 
 class Pathing {
 public:
-  int $limit;
   size_t $width;
   size_t $height;
   Matrix $paths;
   Matrix $input;
 
-  Pathing(size_t width, size_t height, int limit) :
-    $limit(limit),
+  Pathing(size_t width, size_t height) :
     $width(width),
     $height(height),
     $paths(height, MatrixRow(width, 1)),