Merge pull request #14583 from edx/ormsbee/remove_dealer_git_for_lms

Remove dealer.git use for LMS.

lms/envs/common.py

@@ -38,7 +38,6 @@ from warnings import simplefilter
 from django.utils.translation import ugettext_lazy as _
 
 from .discussionsettings import *
-import dealer.git
 from xmodule.modulestore.modulestore_settings import update_module_store_settings
 from xmodule.modulestore.edit_info import EditInfoMixin
 from xmodule.mixin import LicenseMixin
@@ -826,16 +825,6 @@ CONTACT_MAILING_ADDRESS = ''
 ADMINS = ()
 MANAGERS = ADMINS
 
-EDX_PLATFORM_REVISION = os.environ.get('EDX_PLATFORM_REVISION')
-
-if not EDX_PLATFORM_REVISION:
-    try:
-        # Get git revision of the current file
-        EDX_PLATFORM_REVISION = dealer.git.Backend(path=REPO_ROOT).revision
-    except TypeError:
-        # Not a git repository
-        EDX_PLATFORM_REVISION = 'unknown'
-
 # Static content
 STATIC_URL = '/static/'
 STATIC_ROOT = ENV_ROOT / "staticfiles"