style: use english task names only

tasks/install-callas-pdf-engine.yml

@@ -56,7 +56,7 @@
     - "lib"
     - "lang"
 
-- name: Symlinks auf mitgelieferte libstdc++ löschen
+- name: remove symlinks to distro version of libstdc++
   file:
     path: "{{ item }}"
     state: absent
@@ -69,7 +69,7 @@
     name: "libstdc++-8-dev"
     state: present
 
-- name: Symlinks auf Systemlibraries erstellen
+- name: create symlinks to system libraries
   file:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"