Seafile komplett entfernt, Workspace-Zuweisungen angepasst

- Seafile entfernt: AUR-Paket, systemd-Service, Ansible-Tasks, ~/Seafile Verzeichnis, Doku
- Vivaldi assign korrigiert: WS1 -> WS4:WEB (passend zur neuen Workspace-Struktur)
- Workspace-Doku aktualisiert: WS1-3 frei, WS4:WEB, WS5:EDIT, WS6:FILES

tasks/configure-i3.yaml

@@ -112,23 +112,3 @@
   file:
     path: "{{ userhome }}/Pictures/Screenshots"
     state: directory
-
-- name: i3 Configuration - Create systemd user service directory
-  become_user: "{{ username }}"
-  file:
-    path: "{{ userhome }}/.config/systemd/user"
-    state: directory
-
-- name: i3 Configuration - Copy seaf-cli systemd user service
-  become_user: "{{ username }}"
-  copy:
-    src: files/configs/systemd/seaf-cli.service
-    dest: "{{ userhome }}/.config/systemd/user/seaf-cli.service"
-
-- name: i3 Configuration - Enable seaf-cli user service
-  become_user: "{{ username }}"
-  systemd:
-    name: seaf-cli
-    enabled: yes
-    scope: user
-    daemon_reload: yes