refactor: remove useless hglib dependancy

cube_doctor/__init__.py

 import os
 import json
-import hglib
 import gitlab
 import tempfile
 import subprocess
@@ -283,7 +282,7 @@ class Repository:
     def __enter__(self):
         self.temporary_directory = tempfile.TemporaryDirectory()
         self.path = Path(self.temporary_directory.name)
-        hglib.clone(self.url, self.temporary_directory.name)
+        self.run_command(f"hg clone {self.url} {self.temporary_directory.name}")
 
         return self
 

requirements.txt

 python-gitlab
-python-hglib
 RedBaron
 pyyaml
 tox