feat!: remove DisableLogs and DisableMetrics options

[giortzisg]

Description

This is a followup to #1306 and removes DisableMetrics and DisableLogs options. Users already need to use an integration or our own API to opt in to sending metrics and logs, so the option are somewhat conflicting.

Issues

• resolves: Remove Disable option for metrics and logs #1391
• resolves: GO-158

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Reminders

• Add GH Issue ID & Linear ID
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Changelog Entry

• removing DisableLogs and DisableMetrics client options. Sending metrics and logs is already gated by the usage of our APIs already, so having a global kill switch is counter intuitive. Users that won't to opt out should just not call the relevant APIs or setup the integrations.

[linear-code]

GO-158

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[szokeasaurusrex]

My clanker found a stale reference to DisableLogs which should still be removed:

sentry-go/zap/README.md

Line 183 in b538600

- Logs are enabled by default. If you have `DisableLogs: true`, remove it to enable log emission.

Otherwise, this looks good!