Normalize more booleans. (#5247)

plugins/modules/packaging/os/homebrew_cask.py

@@ -111,7 +111,7 @@ EXAMPLES = '''
   community.general.homebrew_cask:
     name: alfred
     state: present
-    accept_external_apps: True
+    accept_external_apps: true
 
 - name: Remove cask with force option
   community.general.homebrew_cask:
@@ -133,7 +133,7 @@ EXAMPLES = '''
   community.general.homebrew_cask:
     name: 1password
     state: upgraded
-    greedy: True
+    greedy: true
 
 - name: Using sudo password for installing cask
   community.general.homebrew_cask:

plugins/modules/packaging/os/rhsm_repository.py

@@ -65,7 +65,7 @@ EXAMPLES = '''
 - name: Disable all repositories except rhel-7-server-rpms
   community.general.rhsm_repository:
     name: rhel-7-server-rpms
-    purge: True
+    purge: true
 '''
 
 RETURN = '''

plugins/modules/packaging/os/rpm_ostree_pkg.py

@@ -62,7 +62,7 @@ changed:
     description: State changes.
     returned: always
     type: bool
-    sample: True
+    sample: true
 action:
     description: Action performed.
     returned: always