repo: scm_context: re-raise error directly

This way we preserve original traceback.

Signed-off-by: Ruslan Kuprieiev <[email protected]>

dvc/repo/scm_context.py

@@ -5,8 +5,8 @@ def scm_context(method):
             repo.scm.reset_ignores()
             repo.scm.remind_to_track()
             return result
-        except Exception as e:
+        except Exception:
             repo.scm.cleanup_ignores()
-            raise e
+            raise
 
     return run