readme: remove mentions to now-deleted Visual Studio 2010 and Code::B…

…locks files

README.md

@@ -264,12 +264,6 @@ the KTX files written by crnlib can be reliably read by other tools.
 This release contains the source code and projects for three simple
 example projects:
 
-crn_examples.2010.sln is a Visual Studio 2010 (VC10) solution file
-containing projects for Win32 and x64. crnlib itself also builds with
-VS2005, VS2008, and gcc 4.5.0 (TDM GCC+MinGW). A codeblocks 10.05
-workspace and project file is also included, but compiling crnlib this
-way hasn't been tested much.
-
 ### example1
 
 Demonstrates how to use crnlib's high-level C-helper