Update and clean requirements

requirements.txt

@@ -1,18 +1,10 @@
 alembic==1.4.3
-astroid==2.4.2
-async-timeout==3.0.1
-attrs==20.2.0
 beautifulsoup4==4.9.3
 bleach==3.2.1
-Brotli==1.0.9
-bs4==0.0.1
 cachetools==4.1.1
 certifi==2020.6.20
 chardet==3.0.4
 click==7.1.2
-defusedxml==0.6.0
-dnspython==2.0.0
-email-validator==1.1.1
 feedparser==6.0.2
 Flask==1.1.2
 Flask-Caching==1.9.0
@@ -20,25 +12,15 @@ Flask-Login==0.5.0
 Flask-Migrate==2.5.3
 Flask-SQLAlchemy==2.4.4
 Flask-WTF==0.14.3
-future==0.18.2
 gevent==20.9.0
 greenlet==0.4.17
 idna==2.10
-isort==5.5.3
 itsdangerous==1.1.0
 Jinja2==2.11.2
-lazy-object-proxy==1.5.1
-llvmlite==0.34.0
-lxml==4.6.1
 Mako==1.1.3
 MarkupSafe==1.1.1
-mccabe==0.6.1
-multidict==5.0.0
 numerize==0.12
-numpy==1.19.3
 packaging==20.4
-pylint==2.6.0
-PyMySQL==0.10.1
 pyparsing==2.4.7
 PySocks==1.7.1
 python-dateutil==2.8.1
@@ -48,17 +30,13 @@ requests==2.24.0
 requests-futures==1.0.0
 sgmllib3k==1.0.0
 six==1.15.0
+socks==0
 soupsieve==2.0.1
 SQLAlchemy==1.3.20
-style==1.1.6
-toml==0.10.1
 urllib3==1.25.11
 webencodings==0.5.1
 Werkzeug==1.0.1
-wrapt==1.12.1
 WTForms==2.3.3
-yarl==1.6.0
-youtube-dl==2020.9.20
 youtube-search-fork==1.2.5
 zope.event==4.5.0
 zope.interface==5.1.2