added /opt/nginx for removal on remove_apigee true

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 37718b1..348081a 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -63,6 +63,7 @@
       follow: yes
     with_items:
     - '{{ apigee_installation_home }}'
+    - /opt/nginx
 
   - name: Determine current user
     shell: whoami