updated logic

diff --git a/defaults/main.yml b/defaults/main.yml
index cc8aa78..6c8847a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml

@@ -1,2 +1,10 @@
 ---
 # defaults file for apigee-opdk-setup-bootstrap-rollback
+apigee_packages:
+- apigee*
+- edge*
+- baas*
+- qpid*
+- python-qpid-*
+- libdb-cxx-*
+- nginx-*

diff --git a/tasks/main.yml b/tasks/main.yml
index f96b66c..cadadc9 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml

@@ -10,28 +10,13 @@
   shell: "{{ apigee_service }} apigee-service uninstall"
   when: apigee_service is defined and apigee_service | trim | length > 0
 
-#- name: Use no proxy definitions
-#  include_tasks: no_proxy.yml
-#  when: http_proxy is not defined and https_proxy is not defined
-#
-#- name: Use proxy definitions
-#  include_tasks: with_proxy.yml
-#  when: http_proxy is defined and https_proxy is defined
-
 - name: Remove apigee, edge, baas and qpid packages
   become: yes
   ignore_errors: yes
   yum:
     name: '{{ item }}'
     state: absent
-  with_items:
-  - apigee*
-  - edge*
-  - baas*
-  - qpid*
-  - python-qpid-*
-  - libdb-cxx-*
-  - nginx-*
+  with_items: "{{ apigee_packages}}"
   environment:
     http_proxy: "{{ http_proxy }}"
     https_proxy: "{{ https_proxy }}"

diff --git a/tasks/no_proxy.yml b/tasks/no_proxy.yml
deleted file mode 100644
index 250f920..0000000
--- a/tasks/no_proxy.yml
+++ /dev/null

@@ -1,15 +0,0 @@
----
-- name: Remove apigee, edge, baas and qpid packages
-  become: yes
-  ignore_errors: yes
-  yum:
-    name: '{{ item }}'
-    state: absent
-  with_items:
-  - apigee*
-  - edge*
-  - baas*
-  - qpid*
-  - python-qpid-*
-  - libdb-cxx-*
-  - nginx-*

diff --git a/tasks/with_proxy.yml b/tasks/with_proxy.yml
deleted file mode 100644
index 858ff67..0000000
--- a/tasks/with_proxy.yml
+++ /dev/null

@@ -1,18 +0,0 @@
----
-- name: Remove apigee, edge, baas and qpid packages
-  become: yes
-  ignore_errors: yes
-  yum:
-    name: '{{ item }}'
-    state: absent
-  with_items:
-  - apigee*
-  - edge*
-  - baas*
-  - qpid*
-  - python-qpid-*
-  - libdb-cxx-*
-  - nginx-*
-  environment:
-    http_proxy: "{{ http_proxy }}"
-    https_proxy: "{{ https_proxy }}"