Fix ansible-lint error

roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml

@@ -140,4 +140,3 @@ matrix_mautrix_whatsapp_registration_yaml: |
   de.sorunome.msc2409.push_ephemeral: true
 
 matrix_mautrix_whatsapp_registration: "{{ matrix_mautrix_whatsapp_registration_yaml | from_yaml }}"
-