[7.16] Revert "[Uptime] redirect Uptime tutorials to the Elastic Synthetics Integration (#115229) (#115470)" (#118986)

[dominiqueclarke]

Backports the following commits to 7.16:

• Revert "[Uptime] redirect Uptime tutorials to the Elastic Synthetics Integration ([Uptime] redirect Uptime tutorials to the Elastic Synthetics Integration #115229) ([7.x] [Uptime] redirect Uptime tutorials to the Elastic Synthetics Integration (#115229) #115470)" (Revert "[Uptime] redirect Uptime tutorials to the Elastic Synthetics integration #118986)

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 043b100
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Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
observability	361.5KB	361.4KB	-38.0B
uptime	573.7KB	573.6KB	-63.0B
total			-101.0B

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@elasticmachine merge upstream