Readme: move changelog to wiki

README.md

@@ -14,21 +14,3 @@ Read [wiki page](https://github.com/CorpGlory/grafana-data-exporter/wiki/How-to-
 ## See also
 
 [grafana-data-exporter-panel](https://github.com/CorpGlory/grafana-data-exporter-panel) - Grafana panel used for exporting data
-
-## Changelog
-
-### [0.3.1] - 2018-05-14
-#### Added
-- Show confirmation modal on task delete.
-
-### [0.3.0] - 2018-05-10
-#### Added
-- Save user that initialized export.
-- Support different grafana URLs.
-- Delete tasks.
-
-### [0.2.0] - 2018-05-09
-#### Added
-- Fetch data from Grafana API and save it to CSV.
-- Endpoint for showing task status in Simple-JSON datasource format.
-- CSV download URL on task finish.