Drop captureUserFeedback, UserFeedback, UserFeedbackDialog, UserFeedbackButton

### Description

Classes to delete

- UserFeedback — the old feedback type (deprecated). Replaced by io.sentry.protocol.Feedback.
- SentryUserFeedbackDialog — deprecated wrapper that extends SentryUserFeedbackForm. Already @ Deprecated.
- SentryUserFeedbackButton - deprecated
- SentryUserFeedbackButton (Compose) - deprecated

Methods to delete on Sentry.java

- Sentry.showUserFeedbackDialog() (3 overloads) — replaced by Sentry.feedback().show()
- Sentry.captureFeedback() (3 overloads) — replaced by Sentry.feedback().capture()
- Sentry.captureUserFeedback(UserFeedback) — replaced by Sentry.feedback().capture(Feedback)

Methods to delete on IScopes (and all implementations)

- captureUserFeedback(UserFeedback) — on IScopes, Scopes, NoOpScopes, NoOpHub, HubAdapter, HubScopesWrapper, ScopesAdapter, ISentryClient, SentryClient, NoOpSentryClient