add build support for multiple platforms

Created by: zryfish

What type of PR is this?

/kind cleanup /kind feature

What this PR does / why we need it:

1. Currently, console build doesn't support multiple platforms, only targeted linux/amd64. There is an increasing trend for linux/arm64. This PR add supports for build container targeted both linux/amd64 and linux/arm64.
2. Cleanup unused files

Which issue(s) this PR fixes:

Fixes #

Special notes for reviewers:

Does this PR introduced a user-facing change?

None

Additional documentation, usage docs, etc.: