Update requirements.txt

requirements.txt

@@ -1,9 +1,4 @@
-Flask==3.0.3
-flask-cors==4.0.1
-diffusers==0.29.2
-torch==2.3.1
-transformers==4.42.4
-accelerate==0.32.1
-safetensors==0.4.3
-Pillow==10.4.0
-huggingface_hub==0.24.5
+fastapi>=0.100.0
+uvicorn>=0.22.0
+httpx>=0.24.0
+pydantic>=2.0.0