Remove v4.7 release notes from branch

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/release-notes/version-4.7.md

@@ -1,15 +0,0 @@
-# NetBox v4.7
-
-## v4.7.0 (FUTURE)
-
-### Breaking Changes
-
-* The following deprecated Sentry configuration parameters have been removed: `SENTRY_DSN`, `SENTRY_SAMPLE_RATE`, `SENTRY_SEND_DEFAULT_PII`, and `SENTRY_TRACES_SAMPLE_RATE`. Use the `SENTRY_CONFIG` parameter instead.
-
-### Enhancements
-
-### Other Changes
-
-* [#21883](https://github.com/netbox-community/netbox/issues/21883) - Drop support for deprecated Sentry configuration parameters
-
-### REST API Changes