git: remove role, integrate into common

roles/common/tasks/main.yml

@@ -3,6 +3,7 @@
 - name: Install misc software
   apt: name={{ item }}
   with_items:
+  - ca-certificates
   - dnsutils
   - git
   - htop

roles/git/tasks/main.yml

@@ -1,7 +0,0 @@
----
-
-- name: Install git
-  apt: name=git
-
-- name: Install ca-certificates
-  apt: name=ca-certificates

roles/respondd/meta/main.yml

@@ -1,4 +0,0 @@
----
-
-dependencies:
-- { role: git }