Merge PR icsharpcode#431: Remove the link to the sharpdevelop forum from readme.md

Author: Numpsy

README.md

@@ -9,7 +9,7 @@ SharpZipLib (\#ziplib, formerly NZipLib) is a compression library that supports
 
 SharpZipLib was originally ported from the [GNU Classpath](http://www.gnu.org/software/classpath/) java.util.zip library for use with [SharpDevelop](http://www.icsharpcode.net/OpenSource/SD), which needed gzip/zip compression. bzip2 compression and tar archiving were added later due to popular demand.
 
-The [SharpZipLib homepage](http://icsharpcode.github.io/SharpZipLib/) has precompiled libraries available for download, [API documentation](https://icsharpcode.github.io/SharpZipLib/help/api/index.html), [a link to the forum for support](http://community.sharpdevelop.net/forums/12/ShowForum.aspx), [release history](https://github.com/icsharpcode/SharpZipLib/wiki/Release-History), samples and more.
+The [SharpZipLib homepage](http://icsharpcode.github.io/SharpZipLib/) has precompiled libraries available for download, [API documentation](https://icsharpcode.github.io/SharpZipLib/help/api/index.html), [release history](https://github.com/icsharpcode/SharpZipLib/wiki/Release-History), samples and more.
 
 License
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