[Docs] Fix Show source bug (#1395)

* remove show source suggest edit buttons

Signed-off-by: luarss <[email protected]>

Author: luarss

docs/conf.py

@@ -93,8 +93,6 @@
     "repository_url": "https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts",
     "repository_branch": "master",
     "show_navbar_depth": 2,
-    "use_edit_page_button": True,
-    "use_source_button": True,
     "use_issues_button": True,
     "use_download_button": True,