Remove asset_sync gem and related code
What does this MR do?
Reverting !15734 (merged). We are not using asset sync currently. Hence, removing the cruft in the codebase and package.
Closes: omnibus-gitlab#3872 (closed)
Reverting !15734 (merged). We are not using asset sync currently. Hence, removing the cruft in the codebase and package.
Closes: omnibus-gitlab#3872 (closed)