chore: remove current dir from setup file

setup.py

@@ -49,7 +49,7 @@
 
 def _parse_requirements(path: str) -> List[str]:
     """Returns content of given requirements file."""
-    with open(os.path.join(_CURRENT_DIR, path)) as f:
+    with open(os.path.join(path)) as f:
         return [
             line.rstrip() for line in f if not (line.isspace() or line.startswith("#"))
         ]