refactor: Remove event_loop_cycle from top level import (#415)

Author: Unshure

src/strands/__init__.py

@@ -1,7 +1,7 @@
 """A framework for building, deploying, and managing AI agents."""
 
-from . import agent, event_loop, models, telemetry, types
+from . import agent, models, telemetry, types
 from .agent.agent import Agent
 from .tools.decorator import tool
 
-__all__ = ["Agent", "agent", "event_loop", "models", "tool", "types", "telemetry"]
+__all__ = ["Agent", "agent", "models", "tool", "types", "telemetry"]