README.rst: replaces out-dated NEWS section

The comment about "afew is quite young" is from 2012 and no longer
accurate. The NEWS.md file seems unused. Only the IRC channel
information is still accurate.

README.rst

@@ -29,15 +29,10 @@ fyi: afew plays nicely with alot, a GUI for notmuch mail ;)
 
 
 
-Current NEWS
-------------
-
-afew is quite young, so expect a few user visible API or configuration
-format changes, though I'll try to minimize such disruptive events.
-
-Please keep an eye on NEWS.md for important news.
+IRC
+---
 
-Also, feel free to ask your questions and discuss usage in the [#afewmail IRC Channel](http://webchat.freenode.net/?channels=#afewmail) on freenode.
+Feel free to ask your questions and discuss usage in the [#afewmail IRC Channel](http://webchat.freenode.net/?channels=#afewmail) on freenode.