Revert "Update verson to 0.54.0 and update changelog (apache#1668)"

This reverts commit 9a5199b.

Author: Vedin

CHANGELOG.md

@@ -18,17 +18,13 @@
 -->
 
 # Changelog
-All notable changes to this project will be documented in one of the linked
-files. 
+All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
 Given that the parser produces a typed AST, any changes to the AST will
 technically be breaking and thus will result in a `0.(N+1)` version. 
 
 
 - Unreleased: Check https://github.com/sqlparser-rs/sqlparser-rs/commits/main for undocumented changes.
-- `0.54.0`: [changelog/0.54.0.md](changelog/0.54.0.md)
-- `0.53.0`: [changelog/0.53.0.md](changelog/0.53.0.md)
 - `0.52.0`: [changelog/0.52.0.md](changelog/0.52.0.md)
 - `0.51.0` and earlier: [changelog/0.51.0-pre.md](changelog/0.51.0-pre.md)

Cargo.toml

@@ -18,7 +18,7 @@
 [package]
 name = "sqlparser"
 description = "Extensible SQL Lexer and Parser with support for ANSI SQL:2011"
-version = "0.54.0"
+version = "0.53.0"
 authors = ["Apache DataFusion <[email protected]>"]
 homepage = "https://github.com/apache/datafusion-sqlparser-rs"
 documentation = "https://docs.rs/sqlparser/"