readme: we have great maintainers now

README.md

@@ -15,11 +15,6 @@ comments](https://github.com/sirupsen/logrus/issues/553#issuecomment-306591437).
 For an in-depth explanation of the casing issue, see [this
 comment](https://github.com/sirupsen/logrus/issues/570#issuecomment-313933276).
 
-**Are you interested in assisting in maintaining Logrus?** Currently I have a
-lot of obligations, and I am unable to provide Logrus with the maintainership it
-needs. If you'd like to help, please reach out to me at `simon at author's
-username dot com`.
-
 Nicely color-coded in development (when a TTY is attached, otherwise just
 plain text):