Focus local lab deployment on Linux and WSL

ansible/roles/ollama/tasks/main.yml

@@ -16,14 +16,6 @@
   become: yes
   notify: Start Ollama service
 
-- name: Install Ollama (macOS via Homebrew)
-  ansible.builtin.homebrew:
-    name: ollama
-    state: present
-  when:
-    - ansible_os_family == "Darwin"
-    - ollama_version_check.rc != 0
-
 - name: Check if Ollama service exists
   ansible.builtin.command: systemctl list-unit-files ollama.service
   register: ollama_service_check