remove unnecessary use of sg-mounted class
Created by: sqs
This was not used anywhere, only checked in tests.
Addresses https://github.com/sourcegraph/sourcegraph/pull/3392#discussion_r275891270
Created by: sqs
This was not used anywhere, only checked in tests.
Addresses https://github.com/sourcegraph/sourcegraph/pull/3392#discussion_r275891270