Remove redundant codes in fixing the HF space permission error.

app.py

@@ -18,8 +18,10 @@ import zipfile
 
 # Fix the HF space permission error when using from_pretrained(..., trust_remote_code=True)
 hf_cache_path = '/tmp/hf_cache'
+os.environ["HUGGINGFACE_HUB_CACHE"] = hf_cache_path
 os.environ["HF_HOME"] = hf_cache_path
-os.makedirs(os.path.join(hf_cache_path, "modules"), exist_ok=True)
+os.environ["HF_MODULES_CACHE"] = os.path.join("/tmp/hf_cache", "modules")
+os.makedirs(os.path.join("/tmp/hf_cache", "modules"), exist_ok=True)
 
 import transformers
 transformers.utils.move_cache()