remove Node from python api (#119)

The Node is just a C++ implementation detail which does not need to be
exposed to the python user (I think)
overall trying to simplify and clean things up so that we can iterate
more easily on the algorithm

---------

Co-authored-by: Noureldin <[email protected]>

Author: noajshu

src/py/tesseract_test.py

@@ -42,9 +42,7 @@
 )
 
 
-def test_create_node():
-    node = tesseract_decoder.tesseract.Node(errors=[1, 0])
-    assert node.errors == [1, 0]
+
 
 
 def test_create_tesseract_config():

src/tesseract.pybind.h

@@ -199,31 +199,7 @@ void add_tesseract_module(py::module& root) {
                 `TesseractConfig` object.
             )pbdoc");
 
-  py::class_<Node>(m, "Node", R"pbdoc(
-        A class representing a node in the Tesseract search graph.
-
-        This is used internally by the decoder to track decoding progress.
-    )pbdoc")
-      .def(py::init<double, size_t, std::vector<size_t>>(), py::arg("cost") = 0.0,
-           py::arg("num_dets") = 0, py::arg("errors") = std::vector<size_t>(), R"pbdoc(
-            The constructor for the `Node` class.
-
-            Parameters
-            ----------
-            cost : float, default=0.0
-                The cost of the path to this node.
-            num_dets : int, default=0
-                The number of detectors this search node has.
-            errors : list[int], default=empty
-                The list of error indices this search node has.
-           )pbdoc")
-      .def_readwrite("cost", &Node::cost, "The cost of the node.")
-      .def_readwrite("num_dets", &Node::num_dets, "The number of detectors this search node has.")
-      .def_readwrite("errors", &Node::errors, "The list of error indices this search node has.")
-      .def(py::self > py::self,
-           "Comparison operator for nodes based on cost. This is necessary to prioritize "
-           "lower-cost nodes during the search.")
-      .def("__str__", &Node::str);
+  
 
   py::class_<TesseractDecoder>(m, "TesseractDecoder", R"pbdoc(
         A class that implements the Tesseract decoding algorithm.