Remove unused functional testing playbooks

Similar to change Ibe94d5c3e8717c381aee4472d84379cf6d31b336,
the nodepool-functional-py35-src and nodepool-functional-base
playbooks are also unused at this point.

Change-Id: I02359f0e147aed429643f8e316f997a22545959c

playbooks/nodepool-functional-base/post.yaml

@@ -1,9 +0,0 @@
-- hosts: all
-  vars:
-    nodepool_log_dir: '{{ ansible_user_dir }}/work/logs/nodepool'
-  tasks:
-    - name: 'Copy files from {{ nodepool_log_dir }}'
-      synchronize:
-        src: '{{ nodepool_log_dir }}'
-        dest: '{{ zuul.executor.log_root }}/{{ inventory_hostname }}'
-        mode: pull

playbooks/nodepool-functional-base/pre.yaml

@@ -1,11 +0,0 @@
-- hosts: all
-  roles:
-    - run-devstack
-    - role: bindep
-      bindep_profile: default
-
-  tasks:
-    - name: Ensure nodepool output log directory
-      file:
-        path: '{{ ansible_user_dir }}/work/logs/nodepool'
-        state: directory

playbooks/nodepool-functional-py35-src/run.yaml

@@ -1,6 +0,0 @@
-- hosts: all
-  tasks:
-    - name: Run nodepool tests
-      command: tools/check_devstack_plugin.sh {{ ansible_user_dir }}/work/logs/nodepool
-      args:
-        chdir: "{{ zuul.projects['opendev.org/zuul/nodepool'].src_dir }}"