fix: streamline limiter assignment in main app

Author: IkeSalmonson

app/main.py

@@ -22,17 +22,14 @@ async def lifespan(app: FastAPI):
         pass
 
 
-appLimiter = limiter
-
-
 app = FastAPI(
     lifespan=lifespan,
     title="pynews-server",
     description="PyNews Server",
 )
 
 
-app.state.limiter = appLimiter
+app.state.limiter = limiter
 app.add_exception_handler(429, _rate_limit_exceeded_handler)
 
 app.include_router(setup_router_v2(), prefix="/api")