Update README.md

Author: hidakatsuya

README.md

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   * Thinreports Editor (GUI Designer)
   * Thinreports Generator (Report Generator for Ruby)
 
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-## [Feature concepts of the next major version 1.0.0](https://github.com/thinreports/thinreports/labels/CONCEPT)
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-**We are now developing the next major version 0.8.0.
-And, we are publishing concept of the new features.**
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 ## Features
 
 Features of Generator is [here](http://www.thinreports.org/features/generator/).