elixir: drop default_formula from erlang requirement

This can be reinstated when erlang 17 is the default in Homebrew.

https://github.com/Homebrew/homebrew/commit/29435a9ed30fb421cd28945ae6db9ca80b7246ff#commitcomment-6146167
Jansson 2.6

Closes #28800.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
duo_unix 1.9.11

Closes #28808.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
groovy --devel 2.3.0-rc-2

Closes #28804.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
jenkins 1.561

Closes #28803.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>