Revert adding entry to CHANGELOG.next.toml

CHANGELOG.next.toml

@@ -22,11 +22,3 @@ message = "Fix incorrect redaction of `@sensitive` types in maps and lists."
 references = ["smithy-rs#3765",  "smithy-rs#3757"]
 meta = { "breaking" = false, "tada" = false, "bug" = true, "target" = "client" }
 author = "landonxjames"
-
-[[smithy-rs]]
-message = """
-Add initial support for [the Smithy RPC v2 CBOR protocol](https://smithy.io/2.0/additional-specs/protocols/smithy-rpc-v2.html) both on the client and on the server. The remaining work, including event streams, is being tracked under [this umbrella issue](https://github.com/smithy-lang/smithy-rs/issues/3573).
-"""
-references = ["smithy-rs#2544", "smithy-rs#3767"]
-meta = { "breaking" = false, "tada" = true, "bug" = false, "target" = "all" }
-author = ["david-perez", "jjant", "ysaito1001"]