[Backport 1.x] Removed Leftover X Pack references

[joshuarrrr]

backport 82f82a1 from #2638

[opensearch-trigger-bot]

The backport to 1.2 failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-1.2 1.2
# Navigate to the new working tree
cd .worktrees/backport-1.2
# Create a new branch
git switch --create backport/backport-2716-to-1.2
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 399b0294229918ecc17e41bc6dde6610446ee585
# Push it to GitHub
git push --set-upstream origin backport/backport-2716-to-1.2
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-1.2

Then, create a pull request where the base branch is 1.2 and the compare/head branch is backport/backport-2716-to-1.2.

[opensearch-trigger-bot]

The backport to 1.1 failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-1.1 1.1
# Navigate to the new working tree
cd .worktrees/backport-1.1
# Create a new branch
git switch --create backport/backport-2716-to-1.1
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 399b0294229918ecc17e41bc6dde6610446ee585
# Push it to GitHub
git push --set-upstream origin backport/backport-2716-to-1.1
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-1.1

Then, create a pull request where the base branch is 1.1 and the compare/head branch is backport/backport-2716-to-1.1.

[opensearch-trigger-bot]

The backport to 1.0 failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-1.0 1.0
# Navigate to the new working tree
cd .worktrees/backport-1.0
# Create a new branch
git switch --create backport/backport-2716-to-1.0
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 399b0294229918ecc17e41bc6dde6610446ee585
# Push it to GitHub
git push --set-upstream origin backport/backport-2716-to-1.0
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-1.0

Then, create a pull request where the base branch is 1.0 and the compare/head branch is backport/backport-2716-to-1.0.