Update requirements

requirements.txt

@@ -1,39 +1,7 @@
-aiohttp==3.7.4.post0
-antlr4-python3-runtime==4.7.2
-appdirs==1.4.4
-async-timeout==3.0.1
-asyncio==3.4.3
-asyncpg==0.22.0
-attrs==20.3.0
-black==20.8b1
-cffi==1.14.5
-chardet==4.0.0
-chess==1.6.1
-click==7.1.2
-discord-components==0.5.3
-discord-py-slash-command==2.3.2
-discord.py==1.7.1
-Flask==1.1.2
-gunicorn==20.1.0
-idna==3.1
-isort==5.9.2
-itsdangerous==1.1.0
-Jinja2==2.11.3
-MarkupSafe==1.1.1
-mpmath==1.2.1
-multidict==5.1.0
-mypy-extensions==0.4.3
-pathspec==0.8.1
-pycparser==2.20
-PyNaCl==1.4.0
-python-chess==1.999
-python-dotenv==0.17.0
-PyYAML==5.4.1
-regex==2021.4.4
-six==1.15.0
-sympy==1.8
-toml==0.10.2
-typed-ast==1.4.2
-typing-extensions==3.7.4.3
-Werkzeug==1.0.1
-yarl==1.6.3
+discord.py
+python-dotenv
+pyyaml
+thicc
+xkcd
+requests
+sympy