Remove main function from stats.py

src/stats.py

@@ -144,10 +144,3 @@ def assemble_nflverse_stats() -> dict[int, dict[str, dict[str, float]]]:
     add_stats_from_team_def_df_to_stat_map(df_def_stats, stat_map)
 
     return stat_map
-
-
-if __name__ == "__main__":
-    from queries.nflverse.github_data import load_assets
-
-    load_assets()
-    assemble_nflverse_stats()