Revert "Install make in build-pdf-docs"

This reverts commit 377cb2f.

Author: mnasiadka

roles/build-pdf-docs/tasks/main.yaml

@@ -4,12 +4,6 @@
   register: pdfdocs_env
   ignore_errors: yes
 
-- name: Ensure make is installed
-  become: true
-  package:
-    name: make
-    state: present
-
 - name: Run tox with pdf build envlist
   include_role:
     name: tox