roles: remove leftover from pr #4319

pr #4319 introduced some uesless `become: true` on systemd tasks.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit 1db8fa8)

roles/ceph-iscsi-gw/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit files for tcmu-runner, rbd-target-api and rbd-target-gw
-  become: true
   template:
     src: "{{ role_path }}/templates/{{ item }}.service.j2"
     dest: /etc/systemd/system/{{ item }}.service

roles/ceph-mds/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit file
-  become: true
   template:
     src: "{{ role_path }}/templates/ceph-mds.service.j2"
     dest: /etc/systemd/system/ceph-mds@.service

roles/ceph-mgr/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit file
-  become: true
   template:
     src: "{{ role_path }}/templates/ceph-mgr.service.j2"
     dest: /etc/systemd/system/ceph-mgr@.service

roles/ceph-mon/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit file for mon container
-  become: true
   template:
     src: "{{ role_path }}/templates/ceph-mon.service.j2"
     dest: /etc/systemd/system/ceph-mon@.service

roles/ceph-nfs/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit file
-  become: true
   template:
     src: "{{ role_path }}/templates/ceph-nfs.service.j2"
     dest: /etc/systemd/system/ceph-nfs@.service

roles/ceph-rbd-mirror/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit file
-  become: true
   template:
     src: "{{ role_path }}/templates/ceph-rbd-mirror.service.j2"
     dest: /etc/systemd/system/ceph-rbd-mirror@.service

roles/ceph-rgw/tasks/systemd.yml

@@ -1,6 +1,5 @@
 ---
 - name: generate systemd unit file
-  become: true
   template:
     src: "{{ role_path }}/templates/ceph-radosgw.service.j2"
     dest: /etc/systemd/system/ceph-radosgw@.service