Remove insecure SSL context creation in Triton Python backend

Author: Pravali Uppugunduri

src/sagemaker/serve/model_server/triton/model.py

@@ -13,10 +13,6 @@
 
 logger = logging.getLogger(__name__)
 
-# Otherwise it will complain SSL: CERTIFICATE_VERIFY_FAILED
-# When trying to download models from torchvision
-ssl._create_default_https_context = ssl._create_unverified_context
-
 TRITON_MODEL_DIR = os.getenv("TRITON_MODEL_DIR")