Config: Fix useless print.

src/config.py

@@ -168,11 +168,6 @@ class Config(SQL):
             map(lambda t: f"'{t}'", solver_type_list)
         )
 
-        print(
-            "SELECT * FROM solver " +
-            f"WHERE type IN ({compatible_types})"
-        )
-
         solvers = self.execute(
             "SELECT * FROM solver " +
             f"WHERE type IN ({compatible_types})",