roles: Fix syntax for testing booleans

ansible-lint told me not to test equality with booleans using literal
"True" and "False", but it Ansible complains if I use "is True" also.
It seems that I need to adjust the syntax slightly.

roles/nginx/tasks/main.yml

@@ -71,7 +71,7 @@
 
 - name: Configure Let's Encrypt
   include_tasks: letsencrypt.yml
-  when: use_letsencrypt is defined and use_letsencrypt is True
+  when: use_letsencrypt is defined and use_letsencrypt
   tags: letsencrypt
 
 # vim: set ts=2 sw=2:

roles/nginx/tasks/wordpress.yml

@@ -3,12 +3,12 @@
 - block:
   - name: Install WordPress
     git: repo=https://github.com/WordPress/WordPress.git dest={{ nginx_root_prefix }}/{{ item.domain_name }}/wordpress version={{ item.wordpress_version }} depth=1 force=yes
-    when: item.has_wordpress is defined and item.has_wordpress is True
+    when: item.has_wordpress is defined and item.has_wordpress
     loop: "{{ nginx_vhosts }}"
 
   - name: Fix WordPress directory permissions
     file: path={{ nginx_root_prefix }}/{{ item.domain_name }} state=directory owner=nginx group=nginx recurse=yes
-    when: item.has_wordpress is defined and item.has_wordpress is True
+    when: item.has_wordpress is defined and item.has_wordpress
     loop: "{{ nginx_vhosts }}"
   tags: wordpress
 

roles/php-fpm/tasks/Debian_10.yml

@@ -20,7 +20,7 @@
   - name: Copy php-fpm pool config
     template: src=php7.3-pool.conf.j2 dest=/etc/php/7.3/fpm/pool.d/{{ item.domain_name }}.conf owner=root group=root mode=0644
     loop: "{{ nginx_vhosts }}"
-    when: (item.has_wordpress is defined and item.has_wordpress is True) or (item.needs_php is defined and item.needs_php is True)
+    when: (item.has_wordpress is defined and item.has_wordpress) or (item.needs_php is defined and item.needs_php)
     notify: reload php7.3-fpm
 
   - name: Remove default www pool

roles/php-fpm/tasks/Ubuntu.yml

@@ -20,7 +20,7 @@
   - name: Copy php-fpm pool config
     template: src=php7.0-pool.conf.j2 dest=/etc/php/7.0/fpm/pool.d/{{ item.domain_name }}.conf owner=root group=root mode=0644
     loop: "{{ nginx_vhosts }}"
-    when: (item.has_wordpress is defined and item.has_wordpress is True) or (item.needs_php is defined and item.needs_php is True)
+    when: (item.has_wordpress is defined and item.has_wordpress) or (item.needs_php is defined and item.needs_php)
     notify: reload php7.0-fpm
 
   - name: Remove default www pool

roles/php-fpm/tasks/Ubuntu_18.04.yml

@@ -20,7 +20,7 @@
   - name: Copy php-fpm pool config
     template: src=php7.2-pool.conf.j2 dest=/etc/php/7.2/fpm/pool.d/{{ item.domain_name }}.conf owner=root group=root mode=0644
     loop: "{{ nginx_vhosts }}"
-    when: (item.has_wordpress is defined and item.has_wordpress is True) or (item.needs_php is defined and item.needs_php is True)
+    when: (item.has_wordpress is defined and item.has_wordpress) or (item.needs_php is defined and item.needs_php)
     notify: reload php7.2-fpm
 
   - name: Remove default www pool