refactor: remove interactive OAuth tool and update Docker/README configurations

src/strava_mcp_server/tools/__init__.py

@@ -14,7 +14,6 @@ from . import segments
 from . import segment_efforts
 from . import gear
 from . import prompts
-from . import auth
 
 def register_tools(mcp: FastMCP, strava: StravaClient) -> None:
     """Register all available tools and prompts."""
@@ -26,4 +25,3 @@ def register_tools(mcp: FastMCP, strava: StravaClient) -> None:
     segment_efforts.register(mcp, strava)
     gear.register(mcp, strava)
     prompts.register(mcp, strava)
-    auth.register(mcp, strava)