ansible: pass list to package managers instead of looping

Passing the list and letting the package manager deal with it as a whole
is much faster than looping, which is equivalent to invoking the package
manager multiple times, each time with a single package.

roles/packages/tasks/main.yml

@@ -3,8 +3,10 @@
   become: yes
   block:
   - name: Install apt packages
-      apt: name={{ item }} state=latest update_cache=yes
-      loop:
+    apt:
+      update_cache: yes
+      state: latest
+      name:
       - curl
       - exa
       - exuberant-ctags
@@ -22,14 +24,13 @@
       - youtube-dl
 
 
-
-
 - name: Set up macOS machine
   when: ansible_os_family == "Darwin"
   block:
   - name: Install homebrew packages
-      homebrew: name={{ item }} state=latest
-      loop:
+    homebrew:
+      state: latest
+      name:
       - coreutils
       - ctags
       - curl
@@ -56,20 +57,3 @@
       - wget
       - youtube-dl
 
-    # - name: Tap into homebrew/cask-fonts
-    #   homebrew_tap: tap=homebrew/cask-fonts state=present
-
-    # - name: Install Mac apps with homebrew cask
-    #   homebrew_cask: name={{item}} state=present
-    #   loop:
-    #     - 1password
-    #     - cyberduck
-    #     - dropbox
-    #     - firefox
-    #     - font-source-code-pro
-    #     - google-chrome
-    #     - iterm2
-    #     - transmission
-    #     - vagrant
-    #     - virtualbox
-