docs: fix incorrect alpha changelog (#8756)

Author: mtrezza

changelogs/CHANGELOG_alpha.md

@@ -1,23 +1,8 @@
 # [6.4.0-alpha.1](https://github.com/parse-community/parse-server/compare/6.3.0...6.4.0-alpha.1) (2023-09-20)
 
-
-### Bug Fixes
-
-* Parse Server option `fileUpload.fileExtensions` does not work with an array of extensions ([#8688](https://github.com/parse-community/parse-server/issues/8688)) ([6a4a00c](https://github.com/parse-community/parse-server/commit/6a4a00ca7af1163ea74b047b85cd6817366b824b))
-* Redis 4 does not reconnect after unhandled error ([#8706](https://github.com/parse-community/parse-server/issues/8706)) ([2b3d4e5](https://github.com/parse-community/parse-server/commit/2b3d4e5d3c85cd142f85af68dec51a8523548d49))
-* Remove config logging when launching Parse Server via CLI ([#8710](https://github.com/parse-community/parse-server/issues/8710)) ([ae68f0c](https://github.com/parse-community/parse-server/commit/ae68f0c31b741eeb83379c905c7ddfaa124436ec))
-* Server does not start via CLI when `auth` option is set ([#8666](https://github.com/parse-community/parse-server/issues/8666)) ([4e2000b](https://github.com/parse-community/parse-server/commit/4e2000bc563324389584ace3c090a5c1a7796a64))
-
 ### Features
 
-* Add conditional email verification via dynamic Parse Server options `verifyUserEmails`, `sendUserEmailVerification` that now accept functions ([#8425](https://github.com/parse-community/parse-server/issues/8425)) ([44acd6d](https://github.com/parse-community/parse-server/commit/44acd6d9ed157ad4842200c9d01f9c77a05fec3a))
 * Add context to Cloud Code Triggers `beforeLogin` and `afterLogin` ([#8724](https://github.com/parse-community/parse-server/issues/8724)) ([a9c34ef](https://github.com/parse-community/parse-server/commit/a9c34ef1e2c78a42fb8b5fa8d569b7677c74919d))
-* Add property `Parse.Server.version` to determine current version of Parse Server in Cloud Code ([#8670](https://github.com/parse-community/parse-server/issues/8670)) ([a9d376b](https://github.com/parse-community/parse-server/commit/a9d376b61f5b07806eafbda91c4e36c322f09298))
-* Add TOTP authentication adapter ([#8457](https://github.com/parse-community/parse-server/issues/8457)) ([cc079a4](https://github.com/parse-community/parse-server/commit/cc079a40f6849a0e9bc6fdc811e8649ecb67b589))
-
-### Performance Improvements
-
-* Improve performance of recursive pointer iterations ([#8741](https://github.com/parse-community/parse-server/issues/8741)) ([45a3ed0](https://github.com/parse-community/parse-server/commit/45a3ed0fcf2c0170607505a1550fb15896e705fd))
 
 # [6.3.0-alpha.9](https://github.com/parse-community/parse-server/compare/6.3.0-alpha.8...6.3.0-alpha.9) (2023-09-13)