[polly] [Polly] Remove previous release's ReleaseNotes (PR #227644)

[Michael Kruse via llvm-commits]

https://github.com/Meinersbur created https://github.com/llvm/llvm-project/pull/227644

Only include changes after the 23.x release: https://github.com/llvm/llvm-project/blob/release/23.x/polly/docs/ReleaseNotes.rst

>From 77349f0ba0f7b265e7f2e5eca89b7a197b3d75aa Mon Sep 17 00:00:00 2001
From: Michael Kruse <llvm-project at meinersbur.de>
Date: Wed, 30 Sep 2026 12:20:21 +0200
Subject: [PATCH] Remove previous release notes

---
 polly/docs/ReleaseNotes.rst | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/polly/docs/ReleaseNotes.rst b/polly/docs/ReleaseNotes.rst
index 716afca7eef16..80890778c3fea 100644
--- a/polly/docs/ReleaseNotes.rst
+++ b/polly/docs/ReleaseNotes.rst
@@ -11,14 +11,6 @@ In Polly |version| the following important changes have been incorporated.
     the new features that have recently been committed to our development
     branch.
 
- * ScopInliner has been updated for the New Pass Manager.
-
- * Polly now is a monolithic pass split into phases.
-
- * Polly's support for the legacy pass manager has been removed.
-
- * The infrastructure around ScopPasses has been removed.
-
  * Polly's options are passed to ``opt`` with ``-plugin-arg=Polly,<option>``,
    whether Polly is linked into ``opt`` or loaded as a plugin, e.g.
    ``opt -load-pass-plugin=LLVMPolly.so -plugin-arg=Polly,-polly-process-unprofitable``.