moving the benchmark section out of bgym (to agentlab)

Author: TLSDC

browsergym/experiments/src/bgym/__init__.py

@@ -2,11 +2,6 @@
 from browsergym.core.action.highlevel import HighLevelActionSet
 from browsergym.core.action.python import PythonActionSet
 from browsergym.experiments.agent import Agent, AgentInfo
-from browsergym.experiments.benchmark import (
-    DEFAULT_BENCHMARKS,
-    Benchmark,
-    HighLevelActionSetArgs,
-)
 from browsergym.experiments.loop import (
     AbstractAgentArgs,
     EnvArgs,