chore: update route name

app.py

@@ -337,7 +337,7 @@ async def generate_3d(image: UploadFile = File(...)):
         print("ERROR IN GENERATING 3D FILE : " , e)
         raise HTTPException(status_code=500, detail=str(e))
 
-@app.post("/remove-background-image")
+@app.post("/remove-image-background")
 async def remove_background_image(image: UploadFile = File(...)):
     if not image:
         raise HTTPException(status_code=400, detail="No image provided")