docs: fix load balancer comment typo

[quyentonndbs]

Fixes a duplicated word in a load balancer comment:

• being being load balanced -> being load balanced

Text-only comment cleanup; no behavior change.

AI tool use: Kimi was used to make the text-only edit; I reviewed the diff.

Verification:

• git diff --check

[repokitteh-read-only]

Docs for this Pull Request will be rendered here:

https://storage.googleapis.com/envoy-cncf-pr/45052/docs/index.html

The docs are (re-)rendered each time the CI Envoy/Prechecks (docs) job completes.

🐱

Caused by: #45052 was opened by quyentonndbs.

see: more, trace.

[repokitteh-read-only]

Hi @quyentonndbs, welcome and thank you for your contribution.

We will try to review your Pull Request as quickly as possible.

In the meantime, please take a look at the contribution guidelines if you have not done so already.

🐱

Caused by: #45052 was opened by quyentonndbs.

see: more, trace.

[agrawroh]

/retest

[agrawroh]

@quyentonndbs Looks like there was an issue with the main. You'll have to merge main again to pake the triggers pass.

[agrawroh]

/wait