The easiest way was to checkout the file from the 3-3-dev branch and then
amend & force push to update PR
On 21 Apr 2014 09:41, "RolandD" <notifications@github.com> wrote:

> In installation/CHANGELOG:
>
> > @@ -1296,6 +1296,8 @@ $ -> Language fix or change
> >  28-Apr-2013 Jean-Marie Simonet
> >   $ Adding installation languages : ro-RO and gd-GB
> >
> > +JM: Testing committing to staging
>
> How do I remove this CHANGELOG file from the PR?
>
> --
> Reply to this email directly or view it on GitHub<https://github.com/joomla/joomla-cms/pull/3479/files#r11803584>
> .
>