Revert "Update CHANGELOG.md for 11.9.5"

This reverts commit 15657f6f.

CHANGELOG.md

@@ -4,16 +4,7 @@ entry.
 ## 11.9.5 (2019-04-03)
-### Fixed (3 changes)
-
-- Force to recreate all MR diffs on import. !26480
-- Fix API /project/:id/branches not returning correct merge status. !26785
-- Avoid excessive recursive calls with Rugged TreeEntries. !26813
-
-### Performance (1 change)
-
-- Force a full GC after importing a project. !26803
-
+- Unreleased due to QA failure.
 ## 11.9.4 (2019-03-28)

changelogs/unreleased/recreate-all-diffs-on-import.yml

+---
+title: Force to recreate all MR diffs on import
+merge_request: 26480
+author:
+type: fixed

changelogs/unreleased/sh-fix-project-branches-merge-status.yml

+---
+title: Fix API /project/:id/branches not returning correct merge status
+merge_request: 26785
+author:
+type: fixed

changelogs/unreleased/sh-fix-rugged-tree-entries.yml

+---
+title: Avoid excessive recursive calls with Rugged TreeEntries
+merge_request: 26813
+author:
+type: fixed

changelogs/unreleased/sh-force-gc-after-import.yml

+---
+title: Force a full GC after importing a project
+merge_request: 26803
+author:
+type: performance