Merge branch 'mw-remove-project-status-partial' into 'master'

Delete unused project_status partial

See merge request gitlab-org/gitlab!45982

app/views/import/_project_status.html.haml

-- case project.import_status
-- when 'finished'
-  = icon('check')
-  = _('Done')
-- when 'started'
-  = loading_icon
-  = _('Started')
-- when 'failed'
-  = _('Failed')
-- else
-  = project.human_import_status_name