message: Remove core specific action
diff: @@ -464,9 +464,3 @@ in `gitian.sigs` to your signing machine and do
  This will create the `.sig` files that can be committed together with the `.assert` files to assert your
  Gitian build.
  -Uploading signatures
  ----------------------
  -
  -After building and signing you can push your signatures (both the `.assert` and `.assert.sig` files) to the
  -[bitcoin/gitian.sigs](https://github.com/bitcoin/gitian.sigs/) repository, or if that's not possible create a pull
  -request. You can also mail the files to Wladimir (laanwj@gmail.com) and he will commit them.
  