Fixes to mgmt cmds which delete django-simple-history data.

common/djangoapps/microsite_configuration/management/commands/delete_historical_microsite_data.py

@@ -5,7 +5,7 @@ microsite_configuration_historicalmicrositetemplate
 """
 
 import logging
-from common.djangoapps.microsite_configuration.models import MicrositeOrganizationMapping, MicrositeTemplate
+from microsite_configuration.models import MicrositeOrganizationMapping, MicrositeTemplate
 from openedx.core.djangoapps.util.row_delete import delete_rows, BaseDeletionCommand
 log = logging.getLogger(__name__)
 

lms/djangoapps/verify_student/management/commands/delete_historical_verify_student_data.py

@@ -3,7 +3,7 @@ Command to delete all rows from the verify_student_historicalverificationdeadlin
 """
 
 import logging
-from verify_student.models import VerificationDeadline
+from lms.djangoapps.verify_student.models import VerificationDeadline
 from openedx.core.djangoapps.util.row_delete import delete_rows, BaseDeletionCommand
 log = logging.getLogger(__name__)