Remove Keybase from Linux

.ansible/roles/linux_desktop/vars/main.yaml

@@ -13,9 +13,6 @@ linux_repos:
   - name: 'Resilio Sync'
     data: 'deb http://linux-packages.resilio.com/resilio-sync/deb resilio-sync non-free'
     key: 'http://linux-packages.resilio.com/resilio-sync/key.asc'
-  - name: 'Keybase'
-    data: 'deb http://prerelease.keybase.io/deb stable main'
-    key: 'https://keybase.io/docs/server_security/code_signing_key.asc'
   - name: 'Enpass'
     data: 'deb https://apt.enpass.io/ stable main'
     key: 'https://apt.enpass.io/keys/enpass-linux.key'
@@ -37,7 +34,6 @@ linux_packages:
   - gnome-shell-extension-weather
   - gnome-tweaks
   - ipcalc
-  - keybase
   - net-tools
   - netcat
   - qrencode