Update README

Remove nontechnical information.

README.md

@@ -6,9 +6,7 @@ https://github.com/rochars/wavefile
 [![Codecov](https://img.shields.io/codecov/c/github/rochars/wavefile.svg?style=flat-square)](https://codecov.io/gh/rochars/wavefile) [![Unix Build](https://img.shields.io/travis/rochars/wavefile.svg?style=flat-square)](https://travis-ci.org/rochars/wavefile) [![Windows Build](https://img.shields.io/appveyor/ci/rochars/wavefile.svg?style=flat-square&logo=appveyor)](https://ci.appveyor.com/project/rochars/wavefile) [![Scrutinizer](https://img.shields.io/scrutinizer/g/rochars/wavefile.svg?style=flat-square&logo=scrutinizer)](https://scrutinizer-ci.com/g/rochars/wavefile/) [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1880/badge)](https://bestpractices.coreinfrastructure.org/projects/1880)
 
 
-## Notice
-My country, Brazil, is under a fascist government that is hunting and killing its opponents. I've been threatened too.
-
+# wavefile
 
 Create, read and write wav files according to the specs.