Install packages as a list instead of per item

The 'package' module supports passing a list instead of iterating
through with_items.

Change-Id: I0c01733adc638691beff7a6af89baa297b1335ca

tasks/apache/mod_wsgi.yml

@@ -1,9 +1,8 @@
 - name: Install required dependencies for mod_wsgi
   become: true
   package:
-    name: "{{ item }}"
+    name: "{{ required_wsgi_packages }}"
     state: "present"
-  with_items: "{{ required_wsgi_packages }}"
 
 - name: Set selinux boolean to allow Apache to manage the files
   become: true

tasks/main.yml

@@ -22,9 +22,8 @@
 - name: Install required dependencies
   become: true
   package:
-    name: "{{ item }}"
+    name: "{{ required_packages }}"
     state: "present"
-  with_items: "{{ required_packages }}"
 
 - name: Install pip
   become: true