Remove "| bool" 1.5yrs later, as Ansible 2.10 changed conditional_bare_variables default

roles/calibre/tasks/install.yml

@@ -14,7 +14,7 @@
 #
 #- name: Install Calibre via .debs (if Raspbian)
 #  command: scripts/calibre-install-latest-rpi.sh    # WORKED for Calibre 3.33.1 on 2018-10-23.  And Calibre 3.28 on 2018-07-26 (PR #971).  Likewise for Calibre 3.26.x.  FAILED with Calibre 3.24+ ("calibre : Depends: python-pyqt5 (>= 5.10.1+dfsg-2) but 5.10.1+dfsg-1+rpi1 is to be installed") since June 2018.
-#  when: is_raspbian | bool
+#  when: is_raspbian
 
 # 2020-04-29: Can work *IF* you do 'apt install python2' and change top line
 # of /opt/iiab/downloads/calibre-installer.py from '#!/usr/bin/env python2'

roles/calibre/tasks/main.yml

@@ -44,7 +44,7 @@
     name: calibre-serve
     enabled: yes
     state: restarted
-  when: calibre_enabled | bool
+  when: calibre_enabled
 
 - name: Disable & Stop 'calibre-serve' service, if not calibre_enabled
   systemd:
@@ -59,7 +59,7 @@
 #
 #- name: Enable/Disable/Restart NGINX if primary
 #  include_tasks: nginx.yml
-#  when: nginx_enabled | bool
+#  when: nginx_enabled
 
 
 - name: Add 'calibre' variable values to {{ iiab_ini_file }}

roles/calibre/tasks/py-installer.yml

@@ -12,7 +12,7 @@
     backup: yes
     timeout: "{{ download_timeout }}"
   register: calibre_download_output
-  when: internet_available | bool
+  when: internet_available
 
 # ALWAYS DEFINED, DESPITE get_url DOCUMENTATION CLAIM...
 # - debug:
@@ -53,4 +53,4 @@
   shell: "{{ downloads_dir }}/calibre-installer.py >> /dev/null"
   #args:
   #  creates: /usr/bin/calibre-uninstall
-  when: internet_available | bool
+  when: internet_available