Redact flume and flume-ng

Both of these have not been updated in some time, despite having upstream
updates.

Closes #24814.
Redact erviz

The homepage is no longer there, and the source code location is unknown.

Closes #24807.
points2grid 1.1.1
Merge branch 'master' of https://github.com/Homebrew/homebrew
[update] rm comment and unused codes.