Remove explicitly setting the edx_platform_commit.

playbooks/edx-east/edx_vpc.yml

@@ -38,7 +38,6 @@
       edxapp_lms_env: 'lms.envs.load_test'
       migrate_db: 'yes'
       openid_workaround: 'yes'
-      edx_platform_commit: 'feanil/aws_creds'
     - splunkforwarder
 - hosts: tag_role_edxapp:!first_in_tag_role_edxapp
   sudo: True
@@ -58,7 +57,6 @@
       - lms-preview
     - role: 'edxapp'
       edxapp_lms_env: 'lms.envs.load_test'
-      edx_platform_commit: 'feanil/aws_creds'
     - splunkforwarder
 - hosts: tag_role_worker
   sudo: True
@@ -78,7 +76,6 @@
     - role: 'edxapp'
       edxapp_lms_env: 'lms.envs.load_test'
       celery_worker: True
-      edx_platform_commit: 'feanil/aws_creds'
     - splunkforwarder
 - hosts: tag_role_xserver
   sudo: True