fixed requirements

requirements.txt

@@ -1,5 +1,4 @@
 appdirs==1.4.3
-apt-clone==0.2.1
 apturl==0.5.2
 asn1crypto==0.24.0
 astroid==2.2.5
@@ -65,13 +64,7 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 json5==0.8.5
 jsonschema==3.1.1
-jupyter-client==5.3.4
-jupyter-core==4.6.0
-jupyterlab==1.1.4
-jupyterlab-server==1.0.6
 kazam==1.4.5
-keyring==18.0.1
-keyrings.alt==3.1.1
 language-selector==0.1
 launchpadlib==1.10.7
 lazr.restfulclient==0.14.2
@@ -164,8 +157,6 @@ testpath==0.4.2
 tornado==6.0.3
 traitlets==4.3.2
 typed-ast==1.3.5
-ubuntu-advantage-tools==19.5
-ubuntu-drivers-common==0.0.0
 ufw==0.36
 unattended-upgrades==0.1
 urllib3==1.25.2