[editorial] Link check is failing because of not public document

[vitorvasc]

The link checker is failing because of a Google Docs URL that is returning a 401 error. Logs are here: https://github.com/open-telemetry/opentelemetry.io/actions/runs/20366579630/job/58523129909?pr=8681

docs/specs/otel/logs/data-model/index.html
  fresh --- docs/specs/otel/logs/data-model/index.html --> https://docs.google.com/document/d/1ix9_4TQO3o-qyeyNhcOmqAc1MTyr-wnXxxsdWgCMn9c/edit#
  hitting --- docs/specs/otel/logs/data-model/index.html --> https://docs.google.com/document/d/1ix9_4TQO3o-qyeyNhcOmqAc1MTyr-wnXxxsdWgCMn9c/edit#
  Non-OK status: 401 --- docs/specs/otel/logs/data-model/index.html --> https://docs.google.com/document/d/1ix9_4TQO3o-qyeyNhcOmqAc1MTyr-wnXxxsdWgCMn9c/edit#
  fresh --- docs/specs/otel/logs/data-model/index.html --> https://docs.google.com/document/d/1WQDz1jF0yKBXe3OibXWfy3g6lor9SvjZ4xT-8uuDCiA/edit#
  hitting --- docs/specs/otel/logs/data-model/index.html --> https://docs.google.com/document/d/1WQDz1jF0yKBXe3OibXWfy3g6lor9SvjZ4xT-8uuDCiA/edit#
  Non-OK status: 401 --- docs/specs/otel/logs/data-model/index.html --> https://docs.google.com/document/d/1WQDz1jF0yKBXe3OibXWfy3g6lor9SvjZ4xT-8uuDCiA/edit#

The broken links are located in these two files:

opentelemetry-specification/oteps/logs/0097-log-data-model.md

Line 1353 in ba1c507

- [Discussion of Severity field](https://docs.google.com/document/d/1WQDz1jF0yKBXe3OibXWfy3g6lor9SvjZ4xT-8uuDCiA/edit#)

opentelemetry-specification/specification/logs/data-model.md

Line 508 in ba1c507

- [Discussion of Severity field](https://docs.google.com/document/d/1WQDz1jF0yKBXe3OibXWfy3g6lor9SvjZ4xT-8uuDCiA/edit#)