Module portinstall: use_packages is a bool (#47370)

The module has been checking if use_packages is
a string equal to "yes", but AnsibleModule actually
converts the use_packages argument to a bool.

lib/ansible/modules/packaging/os/portinstall.py

@@ -163,7 +163,7 @@ def install_packages(module, packages, use_packages):
             module.run_command("pkg install -y portupgrade")
         portinstall_path = module.get_bin_path('portinstall', True)
 
-    if use_packages == "yes":
+    if use_packages:
         portinstall_params = "--use-packages"
     else:
         portinstall_params = ""