Remove unused files.

playbooks/roles/edx_vpc/handlers/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-#
-#
-# Handlers for role edx_vpc
-# 
-# Overview:
-# 
-#
-- name: notify me
-  debug: msg="stub handler"

playbooks/roles/edx_vpc/meta/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-##
-# Role includes for role edx_vpc
-# 
-# Example:
-#
-# dependencies:
-#   - {
-#   role: my_role 
-#   my_role_var0: "foo"
-#   my_role_var1: "bar"
-# }