Update CHANGELOG.md

Theses changes are being backported to 1.10 so they do not need to be marketed in the 1.11 changelog as it's not a change between 1.10 and 1.11

CHANGELOG.md

@@ -8,14 +8,6 @@ Experiments are only enabled in alpha releases of Terraform CLI. The following f
 - The new command `terraform rpcapi` exposes some Terraform Core functionality through an RPC interface compatible with [`go-plugin`](https://github.com/hashicorp/go-plugin). The exact RPC API exposed here is currently subject to change at any time, because it's here primarily as a vehicle to support the [Terraform Stacks](https://www.hashicorp.com/blog/terraform-stacks-explained) private preview and so will be broken if necessary to respond to feedback from private preview participants, or possibly for other reasons. Do not use this mechanism yet outside of Terraform Stacks private preview.
 - The experimental "deferred actions" feature, enabled by passing the `-allow-deferral` option to `terraform plan`, permits `count` and `for_each` arguments in `module`, `resource`, and `data` blocks to have unknown values and allows providers to react more flexibly to unknown values. This experiment is under active development, and so it's not yet useful to participate in this experiment
 
-ENHANCEMENTS:
-
-- backend/cos: Add new auth for Tencent Cloud backend ([#35888](https://github.com/hashicorp/terraform/pull/35888))
-
-BUG FIXES:
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-- Simplify config generation (`plan -generate-config-out`) for string attributes that contain primitive types (e.g. numbers or booleans) ([#35984](https://github.com/hashicorp/terraform/pull/35984))
-
 ## Previous Releases
 
 For information on prior major and minor releases, refer to their changelogs: