[ARROW-10811] [R][CI] Remove nightly centos6 build

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Component/s: Continuous Integration, R
• Labels: pull-request-available
• Assignee: Neal Richardson
• Reporter: Neal Richardson
• Created: 05/Dec/20 16:08
• Updated: 05/Dec/20 20:58
• Resolved: 05/Dec/20 20:57

Description

It has stopped working since CentOS 6 went EOL.

Issue Links

• links to: GitHub Pull Request #8838