[Docs] Remove page for "Compute IR"

[asfimport]

ARROW-16740 removed the IR consumer, but there is still a documentation page referencing IR:

    https://arrow.apache.org/docs/dev/developers/computeir.html

 

We should remove the documentation page to avoid confusion

Reporter: Aldrin Montana / @drin
Assignee: Aldrin Montana / @drin

Related issues:

• [C++] Remove IR Consumer (relates to)

PRs and other links:

• GitHub Pull Request #14112

_{Note: This issue was originally created as ARROW-17716. Please see the migration documentation for further details.}

[asfimport]

Aldrin Montana / @drin:
linking ARROW-16740 which removed the IR consumer

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 14112
#14112