[PHP] Remove "MongoDB" from page title

[rachel-mack]

Pull Request Info

PR Reviewing Guidelines

JIRA - https://jira.mongodb.org/browse/DOCSP-48025
Staging - https://deploy-preview-218--docs-php-library.netlify.app/read/

Self-Review Checklist

• Is this free of any warnings or errors in the RST?
• Did you run a spell-check?
• Did you run a grammar-check?
• Are all the links working?
• Are the facets and meta keywords accurate?

[netlify]

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[github-actions]

The backport to v1.20 failed:

The process '/usr/bin/git' failed with exit code 128

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-v1.20 v1.20
# Navigate to the new working tree
cd .worktrees/backport-v1.20
# Create a new branch
git switch --create backport-218-to-v1.20
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 97960e1e63884908040f238e45db3385c3c2eb3c
# Push it to GitHub
git push --set-upstream origin backport-218-to-v1.20
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-v1.20

Then, create a pull request where the base branch is v1.20 and the compare/head branch is backport-218-to-v1.20.

[github-actions]

The backport to v1.21 failed:

The process '/usr/bin/git' failed with exit code 128

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-v1.21 v1.21
# Navigate to the new working tree
cd .worktrees/backport-v1.21
# Create a new branch
git switch --create backport-218-to-v1.21
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 97960e1e63884908040f238e45db3385c3c2eb3c
# Push it to GitHub
git push --set-upstream origin backport-218-to-v1.21
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-v1.21

Then, create a pull request where the base branch is v1.21 and the compare/head branch is backport-218-to-v1.21.

[rustagir]

lgtm, please also backport to v2 branch