Clean up the uv installs this role used to make

It managed them, it no longer needs them, and a stray uv on PATH is a confusing
thing to find when working out how the venv got built. Nothing else on these
hosts put them there.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

roles/pi_musicmouse/tasks/main.yml

@@ -41,6 +41,24 @@
       buried.
   when: not ansible_check_mode and not pi_musicmouse_pyproject.stat.exists
 
+- name: Find leftover uv installs
+  # This role used to install uv here to get a Python the distribution does not ship.
+  # It manages neither any more, and a stray uv on PATH is a confusing thing to find
+  # when debugging the venv, so take them back out. Nothing else put them there.
+  ansible.builtin.find:
+    paths: /opt
+    patterns: "uv-*"
+    file_type: directory
+  register: pi_musicmouse_stale_uv
+
+- name: Remove leftover uv installs
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: absent
+  loop: >-
+    {{ (pi_musicmouse_stale_uv.files | map(attribute='path') | list)
+       + ['/usr/local/bin/uv', '/usr/local/bin/uvx'] }}
+
 - name: Get the system Python version
   ansible.builtin.command:
     cmd: python3 -c "import sys; print('%d.%d' % sys.version_info[:2])"