refactor: remove unused needscfg_exclude_vars configuration

Author: arnoox

src/extensions/score_sync_toml/__init__.py

@@ -59,12 +59,6 @@ def setup(app: Sphinx) -> dict[str, str | bool]:
     ]
     # TODO remove the suppress_warnings once fixed
 
-    app.config.needscfg_exclude_vars = [
-        "needs_from_toml",
-        "needs_from_toml_table",
-        # "needs_schema_definitions_from_json",
-    ]
-
     return {
         "version": "0.1",
         "parallel_read_safe": True,