[ansible] Fixes for RPIs in new lab

Bug: b/371558884
Change-Id: Id63d3bb86148b1239131c895b3dea76113b8a3b4
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/917418
Commit-Queue: Kaylee Lubick <[email protected]>
Auto-Submit: Eric Boren <[email protected]>
Reviewed-by: Kaylee Lubick <[email protected]>

Author: erock2112

skolo/ansible/switchboard/roles/load_secret_vars/tasks/main.yml

@@ -1,10 +1,9 @@
 # tasks file for load-secret-vars
-- name: make temp directory for secrets and trigger `clean_up_tempfile` handler.
+- name: Make temp directory for secrets
   delegate_to: 127.0.0.1
   tempfile:
     state: directory
   register: secrets_dir
-  notify: clean_up_tempfile
 
 - name: Extract secrets and trigger `clean_up_tempfile` handler for cleanup.
   delegate_to: 127.0.0.1

skolo/ansible/switchboard/roles/swarming_needs/tasks/linux.yml

@@ -49,23 +49,12 @@
 - name: Install the rest of swarming needs.
   when: swarming_needs__needs_mobile_tools
   block:
-    - name: Install adb and python 2.7.
+    - name: Install adb
       become: true
       apt:
         pkg:
           - adb
           - aapt
-          - python2.7  # still needed for iOS swarming recipes
-
-    # iOS recipes need a /usr/bin/python2.
-    - name: link /usr/bin/python2 to /usr/bin/python2.7
-      become: true
-      file:
-        src: /usr/bin/python2.7
-        dest: /usr/bin/python2
-        owner: root
-        group: root
-        state: link
 
     # Our recipes hard-code a specific adb.
     - name: link adb to /usr/bin/adb.1.0.35