Removed dead code (backport #299)

[mergify]

Removed dead code

Claude Opus 4.7

---

This is an automatic backport of pull request #299 done by Mergify.

[mergify]

Cherry-pick of 0bf4e86 has failed:

On branch mergify/bp/humble/pr-299
Your branch is up to date with 'origin/humble'.

You are currently cherry-picking commit 0bf4e86.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   pluginlib/include/pluginlib/class_loader_imp.hpp

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[mergify]

Tick the box to add this pull request to the merge queue (same as @mergifyio queue).

• Queue this pull request

[ahcorde]

Pulls: #304
Gist: https://gist.githubusercontent.com/ahcorde/01a214cc778336b6a99ca3c8c9699918/raw/57ca83aae979a9444fa59943850032d707ca484f/ros2.repos
BUILD args: --packages-above-and-dependencies pluginlib
TEST args: --packages-above pluginlib
ROS Distro: humble
Job: ci_launcher
ci_launcher ran: https://ci.ros2.org/job/ci_launcher/19932

• Linux
• Linux-aarch64
• Linux-rhel
• Windows