Remove webpanel directory requirements.txt file and put it in the main requirements.txt file

core/scripts/webpanel/requirements.txt

@@ -1,16 +0,0 @@
-annotated-types==0.7.0
-anyio==4.8.0
-click==8.1.8
-fastapi==0.115.6
-h11==0.14.0
-idna==3.10
-itsdangerous==2.2.0
-Jinja2==3.1.5
-MarkupSafe==3.0.2
-pydantic==2.10.5
-pydantic_core==2.27.2
-python-multipart==0.0.20
-sniffio==1.3.1
-starlette==0.41.3
-typing_extensions==4.12.2
-uvicorn==0.34.0