Dwm-polybar clean build directory before build

roles/dwm/tasks/polybar.yml

@@ -51,6 +51,11 @@
     clone: yes
     update: yes
 
+- name: Clean build directory
+  file:
+    path: "{{ desktop_src_dir }}/polybar/build"
+    state: absent
+
 - name: "polybar: create directory for build"
   file:
     state: directory