Consolidate mozorg and mozmeao dockerhub repos.

[glogiotatidis]

• [x] snippets careers - not pushing images anymore, it's static
• [x] bedrock
• [x] nucleus - already done
• [x] basket - already done

[glogiotatidis]

Snippets https://github.com/mozmeao/snippets-service/pull/1359

[glogiotatidis]

Removed very old repositories from mozorg dockerhub repo.

Only bedrock repos remain under mozorg account. Filed PR https://github.com/mozilla/bedrock/pull/8936

[glogiotatidis]

/remind me in 2 days

[reminders[bot]]

@glogiotatidis set a reminder for May 22nd 2020

[bookshelfdave]

this is great, thanks for the cleanup!

[reminders[bot]]

:wave: @glogiotatidis,

[glogiotatidis]

bedrock is complete.