Remove unused WFSearchDir

Author: einarf

pywavefront/wavefront.py

@@ -52,7 +52,7 @@ def __init__(
         create_materials=False,
         collect_faces=False,
         parse=True,
-        cache=False
+        cache=False,
     ):
         """
         Create a Wavefront instance
@@ -69,8 +69,6 @@ def __init__(
         self.vertices = []
         self.mesh_list = []     # Also includes anonymous meshes
 
-        pywavefront.WFSearchDir = str(pathlib.Path(self.file_name).parent)
-
         self.parser = self.parser_cls(
             self,
             self.file_name,