Remove changelog square brackets (useless)

CHANGELOG.md

@@ -4,13 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [unreleased]
+## unreleased
 
 ### Fixed
 
  - Programmatically require Metalang99 version compliant with 1.12.0.
 
-## [0.8.0] - 2021-11-09
+## 0.8.0 - 2021-11-09
 
 ### Added
 
@@ -25,7 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - `externDeclImpl` => `declImplExtern` [**BC**].
  - `self` (`VSelf`) parameters are now `restrict`.
 
-## [0.7.0] - 2021-10-06
+## 0.7.0 - 2021-10-06
 
 ### Changed
 
@@ -44,7 +44,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
    - `DYN(implementer, iface, ...)`
    - `VTABLE(implementer, iface)`
 
-## [0.6.0] - 2021-10-02
+## 0.6.0 - 2021-10-02
 
 ### Added
 
@@ -55,21 +55,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - Use `method` and `defaultMethod` instead of [X-Macro] for the sake of conciseness [**BC**].
  - `<iface>_INTERFACE` => `<iface>_IFACE` [**BC**].
 
-## [0.5.0] - 2021-09-16
+## 0.5.0 - 2021-09-16
 
 ### Changed
 
  - Remove `implPrimary`, `externImplPrimary` [**BC**].
 
-## [0.4.0] - 2021-09-14
+## 0.4.0 - 2021-09-14
 
 ### Changed
 
  - Use a variation of the [X-Macro] pattern instead of `iFn`. This change makes the implementation easier to reason about [**BC**].
 
 [X-Macro]: https://en.wikipedia.org/wiki/X_Macro
 
-## [0.3.0] - 2021-08-13
+## 0.3.0 - 2021-08-13
 
 ### Changed
 
@@ -80,7 +80,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
  - Counterparts with external linkage: `externImpl(Primary)` & `externDeclImpl`.
 
-## [0.2.0] - 2021-07-01
+## 0.2.0 - 2021-07-01
 
 ### Added
 
@@ -90,7 +90,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
  - Generate `char dummy;` only for an empty virtual table (i.e., a marker interface without superinterfaces) [**BC**].
 
-## [0.1.0] - 2021-06-23
+## 0.1.0 - 2021-06-23
 
 ### Added