Remove pointless brackets in CHANGELOG.md headings

CHANGELOG.md

 # Change Log
 
 
-## [0.0.1]
+## 0.0.1
 
 - first prototype version
 
 
-## [0.0.2]
+## 0.0.2
 
 - option to add cutom path
 
 
-## [0.0.4]
+## 0.0.4
 
 - fixed bug in the package.json file leading to unnoticed server crash
 - added feedback when using an unreachable path
 - added feedback when using a old version of proB
 
 
-## [0.1.0]
+## 0.1.0
 
 - added more sound auto compeltion
 - added WD cheks
 - added strict checks
 
 
-## [0.1.1]
+## 0.1.1
 
 - fixed issue where path was semi hard coded
 
 
 
-## [0.2.0]
+## 0.2.0
 
 - recognizes correct file ending (.mch; .def; .imp; .ref; .sys)
 - no longer activates extension on normal text documents
 
 
-## [0.3.0]
+## 0.3.0
 
 - added option for performance feedback
 - implemented 'info' as feedback type
 
 
-## [0.5.0]
+## 0.5.0
 
 - added syntax highlighting
 
-## [0.5.1]
+## 0.5.1
 
 - minor fixes
 
-## [0.5.2]
+## 0.5.2
 
 - media fixes
 
 
-## [0.5.3]
+## 0.5.3
 
 - reworked error messages to be more managable
 
 
-## [0.6.0]
+## 0.6.0
 
 - added snippets
 - improved error feedback for failing call to probcli
@@ -69,53 +69,53 @@
 - _error.json will now dumpend in a /tmp/ folder
 
 
-## [1.0.0]
+## 1.0.0
 
 - switched to Java Server and will be able to access ProB Kernel library.
 - server has no debug option and output
 
 
 
-## [1.0.1]
+## 1.0.1
 
 - debug mode is now disabled by default
 - debug console will now behave more reasonable behavior
 - updated server version to take care of windows and mac problems
 
-## [1.1.1]
+## 1.1.1
 
 - fixed bug where problems from sub machines where shown in the main machine
 - added a opical feedback when an evaluation is finished
 - added .rmch file extensions (still pretty much a prototype regarding coloring)
 - added file icons to identify files which can be processed by this plugin, note that icon themes are exclusive, selecting the new theme will disable all other themes: https://github.com/microsoft/vscode/issues/14662
 
-## [1.1.2]
+## 1.1.2
 
 - fixed bug where for longer outputs from probcli the system would not return causing a deadlook
 
 
-## [2.0.0]
+## 2.0.0
 
 - keyword support for new proB features: REAL, real, floor, ceiling
 - now uses prob2_kernel library instead of calling prob_cli direc; leads to noticable performance gain after initial warm up
 
 
-## [2.0.1]
+## 2.0.1
 
 - bug fix regarding completion
 - stability improvements
 
 
-## [2.0.2]
+## 2.0.2
 
 - bug fixed that were introduced by not properly rebasing server branches
 - brought back notifcation when evaluation is done
 
-## [2.0.4]
+## 2.0.4
 
 - dependencies updated
 
-## [2.1.0]
+## 2.1.0
 
 - Updated to ProB 1.12.1
 - Now requires VSCode 1.67